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Rainier Arms MK12 223 Wylde Partial Upper Receiver RA-MK12-DI-18R-PU

Rainier Arms MK12 223 Wylde Partial Upper Receiver, Black, 18 in, RA-MK12-DI-18R-PU
Rainier Arms MK12 223 Wylde Partial Upper Receiver, Black, 18 in, RA-MK12-DI-18R-PU
Rainier Arms MK12 223 Wylde Partial Upper Receiver, Black, 18 in, RA-MK12-DI-18R-PU
Rainier Arms MK12 223 Wylde Partial Upper Receiver, Black, 18 in, RA-MK12-DI-18R-PU
Rainier Arms MK12 223 Wylde Partial Upper Receiver, Black, 18 in, RA-MK12-DI-18R-PU
Rainier Arms MK12 223 Wylde Partial Upper Receiver, Black, 18 in, RA-MK12-DI-18R-PU
Rainier Arms MK12 223 Wylde Partial Upper Receiver, Black, 18 in, RA-MK12-DI-18R-PU
Rainier Arms MK12 223 Wylde Partial Upper Receiver, Black, 18 in, RA-MK12-DI-18R-PU
Rainier Arms MK12 223 Wylde Partial Upper Receiver, Black, 18 in, RA-MK12-DI-18R-PU
Rainier Arms MK12 223 Wylde Partial Upper Receiver, Black, 18 in, RA-MK12-DI-18R-PU
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Rainier Arms MK12 223 Wylde Partial Upper Receiver, Black, 18 in, RA-MK12-DI-18R-PU
Rainier Arms MK12 223 Wylde Partial Upper Receiver, Black, 18 in, RA-MK12-DI-18R-PU
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Rainier Arms MK12 223 Wylde Partial Upper Receiver, Black, 18 in, RA-MK12-DI-18R-PU
Rainier Arms MK12 223 Wylde Partial Upper Receiver, Black, 18 in, RA-MK12-DI-18R-PU
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Rainier Arms MK12 223 Wylde Partial Upper Receiver, Black, 18 in, RA-MK12-DI-18R-PU
Rainier Arms MK12 223 Wylde Partial Upper Receiver, Black, 18 in, RA-MK12-DI-18R-PU
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Rainier Arms MK12 223 Wylde Partial Upper Receiver, Black, 18 in, RA-MK12-DI-18R-PU
Rainier Arms MK12 223 Wylde Partial Upper Receiver, Black, 18 in, RA-MK12-DI-18R-PU
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Rainier Arms MK12 223 Wylde Partial Upper Receiver, Black, 18 in, RA-MK12-DI-18R-PU
Rainier Arms MK12 223 Wylde Partial Upper Receiver, Black, 18 in, RA-MK12-DI-18R-PU
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Rainier Arms MK12 223 Wylde Partial Upper Receiver, Black, 18 in, RA-MK12-DI-18R-PU
Rainier Arms MK12 223 Wylde Partial Upper Receiver, Black, 18 in, RA-MK12-DI-18R-PU
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Rainier Arms MK12 223 Wylde Partial Upper Receiver, Black, 18 in, RA-MK12-DI-18R-PU
Rainier Arms MK12 223 Wylde Partial Upper Receiver, Black, 18 in, RA-MK12-DI-18R-PU
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Rainier Arms MK12 223 Wylde Partial Upper Receiver, Black, 18 in, RA-MK12-DI-18R-PU
Rainier Arms MK12 223 Wylde Partial Upper Receiver, Black, 18 in, RA-MK12-DI-18R-PU
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Rainier Arms MK12 223 Wylde Partial Upper Receiver, Black, 18 in, RA-MK12-DI-18R-PU

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Questions & Answers
Customer Reviews
Helpful Positive Review
Fantastic Upper by Mike B, Verified Owner, April 9, 2025
The MK12 upper from Rainier Arms is fantastic. It is finish is amazing and the PRI parts make this well worth the money. The match grade barrel is an amazing addition. I currently own the MK12 MOD-0 from PRI and this upper is just as well made for le...
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Product Discontinued by Manufacturer

Rainier Arms MK12 223 Wylde Partial Upper Receiver has been discontinued by Rainier Arms and is no longer available. Our product experts have helped us select these available replacements below.You can also explore other items in the Gun Parts, AR 15 Parts, Rifle Parts, AR15 Upper Receivers yourself to try and find the perfect replacement for you!

ATTENTION! We currently do not ship this product to AK, CA, HI, IL, NY, WA, P.O. Boxes, and U.S. Territories. Please see our policies for more information.

Product Info for Rainier Arms MK12 223 Wylde Partial Upper Receiver

Introducing a cloned upper receiver build of the MK12 SPR. Bringing the highest quality parts to the market, while offering the best value as well. This partial upper build utilizes a Precision Reflex GEN III free float handguard and front sight. Pairing up with our forged upper receiver and Ultramatch MOD 2 SPR 18" barrel. Throw in your favorite charging handle and bolt carrier group and you are good to go!image

Features of Rainier Arms MK12 223 Wylde Partial Upper Receiver

  • Rainier Arms Forged A4 Upper Receiver
  • Rainier Arms Ultramatch MOD 2 MK12 SPR .223 Wylde Barrel - 18"
  • Precision Reflex Inc Carbon Fiber Free Float Handguard - 12.5"
  • Precision Reflex Inc G1 Flip Up Front Sight w/ .750 Crossbolt

Package Contents:

  • Rainier Arms MK12 223 Wylde Partial Upper Receiver

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As Low As (Save 23%)
$32.29
See all 4 models
DFCO Dos Boot Magpul 10/20/30/40 Gen 3 PMAG 5.56x45 +2 Rounds Rifle Magazine Extension
DFCO Dos Boot Magpul 10/20/30/40 Gen 3 PMAG 5.56x45 +2 Rounds Rifle Magazine Extension
(3)
As Low As (Save 10%)
$18.00
See all 3 models
Best Rated
Geissele Super Stainless Mag Catch w/ Release Spring, 05-1088
Geissele Super Stainless Mag Catch w/ Release Spring, 05-1088
(15)
List: $22.00
$21.89
Blazin' Deal
ODIN Works Extended Magazine Release Gen III
ODIN Works Extended Magazine Release Gen III
(147)
As Low As (Save 19%)
$19.39
See all 7 models
Taran Tactical Innovations Firepower Rifle Magazine Extension For AR, 5/6 Round, Flat Black, 6, PMBP-00
Taran Tactical Innovations Firepower Rifle Magazine Extension For AR, 5/6 Round, Flat Black, 6, PMBP-00
List: $43.99 (Save $2.50)
$41.49
Best Rated
Magpul PMAG Dust/Impact Cover Black, 3 MAG216BLK
Magpul PMAG Dust/Impact Cover Black, 3 MAG216BLK
(41)
List: $3.95
$3.65
Tactical Tailor Medical Insert 5.56 Mag Pouch
Tactical Tailor Medical Insert 5.56 Mag Pouch
(1)
List: $30.00 (Save $2.40)
$27.60
See all 2 models
Best Rated
Cross Industries Ar15 10/10 Coupling Pistol Magazine, Set of 2, Transparent Smoked, CM10AR15P55645B
Cross Industries Ar15 10/10 Coupling Pistol Magazine, Set of 2, Transparent Smoked, CM10AR15P55645B
(19)
List: $54.99 (Save 24%)
$41.99
Best Rated
TUFF Products Original 5 In-Line Mag Pouch and Removable Flap
TUFF Products Original 5 In-Line Mag Pouch and Removable Flap
(10)
As Low As (Save Up to 19%)
$39.39
See all 6 models
Charles Daly AR-15 Shotgun Magazine, .410 Gauge, 5 Round, Black, 1 Pack, Steel, 470072-5RD
Charles Daly AR-15 Shotgun Magazine, .410 Gauge, 5 Round, Black, 1 Pack, Steel, 470072-5RD
(3)
List: $40.49 (Save 19%)
$32.99
Black Scorpion Outdoor Gear AR-15, M4, M16 Magazine Pouch, Black, MP05-USPSA-BK
Black Scorpion Outdoor Gear AR-15, M4, M16 Magazine Pouch, Black, MP05-USPSA-BK
List: $33.99 (Save $2.00)
$31.99
Best Rated
Magpul Industries PMAG GEN M3 AR-15 .300 Blackout 30 Round Rifle Magazine
Magpul Industries PMAG GEN M3 AR-15 .300 Blackout 30 Round Rifle Magazine
(40)
As Low As (Save Up to 10%)
$14.95
See all 5 models
Blazin' Deal
FAB Defense OMC Ultimag 10R Dual Magazine Coupler Kit
FAB Defense OMC Ultimag 10R Dual Magazine Coupler Kit
(8)
As Low As (Save Up to 46%)
$29.49
See all 3 models
Best Rated
UTG Pro AR15 Ambidextrous Extended Magazine Release
UTG Pro AR15 Ambidextrous Extended Magazine Release
(37)
As Low As (Save Up to 13%)
$34.97
See all 3 models
Best Rated
Timber Creek AR Extended Magazine Release
Timber Creek AR Extended Magazine Release
(28)
As Low As (Save Up to 29%)
$19.49
See all 9 models
Best Rated
Lancer Systems L5AWM AR-15 Detachable Rifle Magazine, .300 Blackout, 30 Round, Translucent Smoke, 1 Pack, Polymer, 428001-30RD
Lancer Systems L5AWM AR-15 Detachable Rifle Magazine, .300 Blackout, 30 Round, Translucent Smoke, 1 Pack, Polymer, 428001-30RD
(20)
List: $25.99 (Save 23%)
$19.99
Ammunition Storage Components Colt 9mm Stainless Steel Magazine
Ammunition Storage Components Colt 9mm Stainless Steel Magazine
$23.99
See all 2 models
Guntec USA AR-15/AR .308 Extended Magazine Catch Paddle Release, Red Anodized, EXT-MC-RED
Guntec USA AR-15/AR .308 Extended Magazine Catch Paddle Release, Red Anodized, EXT-MC-RED
List: $33.99 (Save $2.00)
$31.99
Comp-Tac AR 223 Mag Pouch with Push Button Lock Mount, Left Hand, Black, C56400000LBKN
Comp-Tac AR 223 Mag Pouch with Push Button Lock Mount, Left Hand, Black, C56400000LBKN
List: $49.99 (Save $2.00)
$47.99
Next

Gun Sights

1–18 / 18
Previous
Best Rated
Vortex Crossfire II 1x22 mm 2 MOA Reflex Red Dot Sight
Vortex Crossfire II 1x22 mm 2 MOA Reflex Red Dot Sight
(114)
As Low As (Save Up to 39%)
$134.79
See all 3 models
Best Rated
Daniel Defense A1.5 Top Mounted Fixed Front and Rear Sight, Black, 19-088-09116
Daniel Defense A1.5 Top Mounted Fixed Front and Rear Sight, Black, 19-088-09116
(134)
List: $162.00 (Save $13.00)
$149.00
Best Rated
Magpul Industries MBUS 3 Rear Rifle Sight
Magpul Industries MBUS 3 Rear Rifle Sight
(56)
As Low As (Save Up to 20%)
$48.99
See all 6 models
Best Rated
Primary Arms SLx Series Prism Red Dot Sight, 5x, ACSS 5.56/5.45/.308 Illuminated Reticle & Green, Black, 710028
Primary Arms SLx Series Prism Red Dot Sight, 5x, ACSS 5.56/5.45/.308 Illuminated Reticle & Green, Black, 710028
(98)
List: $389.99 (Save 12%)
$344.99
Best Rated
Primary Arms SLx 3x32 Compact Prism Red Dot Sight
Primary Arms SLx 3x32 Compact Prism Red Dot Sight
(64)
As Low As (Save Up to 32%)
$225.99
See all 3 models
Blazin' Deal
Refurbished, Steiner DRS Defendu Reflex Sight, 1x, 1/2 MOA, Red Illuminated C2 Reticle, Black, 8503
Refurbished, Steiner DRS Defendu Reflex Sight, 1x, 1/2 MOA, Red Illuminated C2 Reticle, Black, 8503
(8)
List: $915.99 (Save 49%)
$469.99
Sightmark LoPro Compact Flashlight with Green Laser Sight
Sightmark LoPro Compact Flashlight with Green Laser Sight
(32)
As Low As (Save Up to 17%)
$179.97
See all 3 models
Blitzkrieg Components AR Spike Front Sight Post
Blitzkrieg Components AR Spike Front Sight Post
(11)
List: $28.99 (Save Up to 27%)
$23.99
See all 2 models
Hawk Gazer FLG-21 LED Flashlight/Green Laser Combo, Low Profile, Black, HG-FLG-21
Hawk Gazer FLG-21 LED Flashlight/Green Laser Combo, Low Profile, Black, HG-FLG-21
(7)
List: $189.99 (Save 21%)
$149.99
Blazin' Deal
Meprolight AR15/M16 Front Night Sight for AR Rifles w/A1/A2 Barrels, Front Sight Only, Green, 1316153101
Meprolight AR15/M16 Front Night Sight for AR Rifles w/A1/A2 Barrels, Front Sight Only, Green, 1316153101
(26)
List: $44.99 (Save 24%)
$33.99
KNS Precision AK47/SKS & Variants Sight, 6 Pack, Black, AKSIGHTPAK
KNS Precision AK47/SKS & Variants Sight, 6 Pack, Black, AKSIGHTPAK
(3)
List: $40.00 (Save $2.01)
$37.99
TruGlo AR-15 Tritium Front Sight w/ A2 Posts, TG-TG231AR1
TruGlo AR-15 Tritium Front Sight w/ A2 Posts, TG-TG231AR1
(5)
List: $70.99 (Save 20%)
$56.99
XS Sights Systems XTI2 DXS Standard Dot Ember Photoluminescent Angle Offset Sights, Non-Tritium, Orange, Standard Dot, Black, AR-0008-1N
XS Sights Systems XTI2 DXS Standard Dot Ember Photoluminescent Angle Offset Sights, Non-Tritium, Orange, Standard Dot, Black, AR-0008-1N
(4)
List: $178.99 (Save $17.00)
$161.99
Best Rated
Magpul Industries MBUS Pro Flip Up Sights
Magpul Industries MBUS Pro Flip Up Sights
(124)
As Low As (Save Up to 15%)
$87.95
See all 3 models
Best Rated
Primary Arms SLx 3x MicroPrism Red Dot Sight
Primary Arms SLx 3x MicroPrism Red Dot Sight
(129)
List: $399.99 (Save 13%)
$349.99
See all 8 models
SightMark LoPro Mini Laser Sight
SightMark LoPro Mini Laser Sight
(19)
List: $172.80 (Save 17%)
$143.97
See all 2 models
Phoenix Technology Front Sight, AR-15, Black, OPSAR15
Phoenix Technology Front Sight, AR-15, Black, OPSAR15
List: $31.99 (Save 25%)
$23.99
Best Rated
Vortex Strikefire II 1x 30mm 4 MOA Red Dot Sight
Vortex Strikefire II 1x 30mm 4 MOA Red Dot Sight
(31)
As Low As
$498.00
See all 2 models
Next

Forends/Handguards

1–6 / 6
Previous
Best Rated
UTG Pro AR15 Super Slim M-LOK 15in Drop-In Handguard
UTG Pro AR15 Super Slim M-LOK 15in Drop-In Handguard
(253)
List: $124.97 (Save $10.00)
$114.97
See all 1 models
Free 2 Day Shipping
Geissele AR-15 M-Lok Hk Hk416 Rail
Geissele AR-15 M-Lok Hk Hk416 Rail
As Low As (Save Up to 24%)
$379.99
See all 4 models
Manticore Arms Gen 2 X95 Cantilever Forend AR-15 Height Top Rail, Black, Medium, MA-27500
Manticore Arms Gen 2 X95 Cantilever Forend AR-15 Height Top Rail, Black, Medium, MA-27500
(2)
List: $349.99 (Save 20%)
$279.99
Free 2 Day Shipping
Midwest Industries SP Series AR-15 M-LOK Handguard
Midwest Industries SP Series AR-15 M-LOK Handguard
(119)
As Low As (Save Up to $11.00)
$157.95
See all 6 models
Free 2 Day Shipping
Geissele Mk15 M-Lok Hk Hk416 Rail
Geissele Mk15 M-Lok Hk Hk416 Rail
(2)
As Low As (Save Up to 38%)
$324.99
See all 4 models
Best Rated
VISM AR15 M-LOK Handguard - Carbine Extended VMARMLCE
VISM AR15 M-LOK Handguard - Carbine Extended VMARMLCE
(346)
List: $79.99 (Save 15%)
$67.99
Next

Gun Grips

1–6 / 6
Previous
Blazin' Deal
Strike Industries Link Curved Tactical Polymer Foregrip
Strike Industries Link Curved Tactical Polymer Foregrip
(84)
List: $13.95 (Save 15%)
$11.89
See all 2 models
Blazin' Deal
B5 Systems Vertical M-Lok Grip
B5 Systems Vertical M-Lok Grip
(52)
As Low As (Save Up to 38%)
$19.99
See all 10 models
Best Rated
Bravo Company MFG Vertical Grip Mod 3 Fits Picatinny Rails, Black
Bravo Company MFG Vertical Grip Mod 3 Fits Picatinny Rails, Black
(64)
List: $22.00 (Save $1.05)
$20.95
Ryker USA Basic Grip, Black, 911001
Ryker USA Basic Grip, Black, 911001
List: $74.95 (Save $3.75)
$71.20
Best Rated
DFCO Tiger Claw Fore M-Lok Grip 10 Degree
DFCO Tiger Claw Fore M-Lok Grip 10 Degree
(25)
List: $20.00 (Save 10%)
$18.00
See all 4 models
Blazin' Deal
FAB Defense Ergonomic Folding Pistol Grip for M16/M4/AR15
FAB Defense Ergonomic Folding Pistol Grip for M16/M4/AR15
(106)
As Low As (Save Up to 19%)
$39.99
See all 4 models
Next

Gun Stocks

1–19 / 19
Previous
Best Rated
Magpul DT-PR Mil-Spec AR10/AR15/M4/M16/M110/SR25 Carbine Stock
Magpul DT-PR Mil-Spec AR10/AR15/M4/M16/M110/SR25 Carbine Stock
(67)
List: $64.95 (Save $5.00)
$59.95
See all 3 models
Free 2 Day Shipping
Magpul Industries PRS GEN3 Precision-Adjustable Stock for AR15/M16 and AR10/SR25 platforms
Magpul Industries PRS GEN3 Precision-Adjustable Stock for AR15/M16 and AR10/SR25 platforms
(242)
List: $259.95 (Save $20.00)
$239.95
See all 4 models
Blazin' Deal
Strike Industries Dual Folding Stock, Ambidextrous, AR-15/AR-10/CZ Scorpion EVO 3/SIG Sauer MCX/Brugger & Thomet APC9/CZ BREN 2/Ruger PC Charger/CZ Scorpion, Black, One Size, SI-FSA-DUAL-STOCK
Strike Industries Dual Folding Stock, Ambidextrous, AR-15/AR-10/CZ Scorpion EVO 3/SIG Sauer MCX/Brugger & Thomet APC9/CZ BREN 2/Ruger PC Charger/CZ Scorpion, Black, One Size, SI-FSA-DUAL-STOCK
(42)
List: $197.95 (Save 10%)
$178.99
Best Rated
TacFire A2 AR-15/5.56 Complete Stock Kit, Polymer, Black, MAR123
TacFire A2 AR-15/5.56 Complete Stock Kit, Polymer, Black, MAR123
(57)
List: $64.99 (Save $1.00)
$63.99
Best Rated
Mission First Tactical AR-15 Battlelink Minimalist Stock, Military For Mil Spec, Size 1.148 Diameter Receiver Extensions, Black, BMSMIL
Mission First Tactical AR-15 Battlelink Minimalist Stock, Military For Mil Spec, Size 1.148 Diameter Receiver Extensions, Black, BMSMIL
(150)
List: $64.00 (Save 19%)
$51.99
Best Rated
Midwest Industries Side Folder With MI Stock Tube
Midwest Industries Side Folder With MI Stock Tube
(18)
List: $157.95 (Save $11.00)
$146.95
See all 1 models
Free 2 Day Shipping
Samson B.R.E Bufferless Receiver Extension
Samson B.R.E Bufferless Receiver Extension
(6)
As Low As (Save Up to $10.00)
$172.81
See all 2 models
Free 2 Day Shipping
Maxim Defense Industries SCW Stock Picatinny Pistol Rail, Black, MXM-48036
Maxim Defense Industries SCW Stock Picatinny Pistol Rail, Black, MXM-48036
(7)
List: $349.95 (Save 10%)
$314.96
Free 2 Day Shipping
B5 Systems Modular Platform Stock
B5 Systems Modular Platform Stock
(4)
List: $200.00 (Save $10.00)
$190.00
See all 5 models
TUFF Products Ez-Adjust Butt Stock Saddle w/ Zippered Pocket
TUFF Products Ez-Adjust Butt Stock Saddle w/ Zippered Pocket
(1)
As Low As (Save Up to 22%)
$41.99
See all 3 models
Amend2 AMS Modular Mil-Spec Carbine Stock
Amend2 AMS Modular Mil-Spec Carbine Stock
As Low As (Save Up to 10%)
$44.99
See all 2 models
Final Sale
Midwest Industries Stock Tube With Light Weight Stock
Midwest Industries Stock Tube With Light Weight Stock
(2)
As Low As (Save Up to 27%)
$95.99
See all 3 models
Best Rated
Phase 5 Weapon Systems Inc Universal Mini Stock For Ar-15 Black
Phase 5 Weapon Systems Inc Universal Mini Stock For Ar-15 Black
(5)
List: $106.25 (Save 29%)
$75.00
Best Rated
Magpul Industries CTR Rifle Stock, Mil-Spec AR15/M16
Magpul Industries CTR Rifle Stock, Mil-Spec AR15/M16
(278)
List: $64.95 (Save $5.00)
$59.95
See all 5 models
Best Rated
Midwest Industries Side Folder With Light Weight Stock, Black, MI-STAP-SF-LWS
Midwest Industries Side Folder With Light Weight Stock, Black, MI-STAP-SF-LWS
(8)
List: $188.95 (Save $10.00)
$178.95
Clearance
Magpul Industries PRS Lite Rifle Stock
Magpul Industries PRS Lite Rifle Stock
(96)
As Low As (Save Up to 33%)
$79.99
See all 5 models
Best Rated
Midwest Industries Side Folder Pistol Brace Compatible
Midwest Industries Side Folder Pistol Brace Compatible
(19)
List: $157.95 (Save $11.00)
$146.95
See all 2 models
Tiger Rock AR-15 T6 Collapsible Stock Kit -Mil Spec, ST007M+ST003M
Tiger Rock AR-15 T6 Collapsible Stock Kit -Mil Spec, ST007M+ST003M
List: $63.99 (Save $4.00)
$59.99
DoubleStar Folding Stock Mechanism with Integrated AR-15 Stock Interface w/o Boss, Black, A504
DoubleStar Folding Stock Mechanism with Integrated AR-15 Stock Interface w/o Boss, Black, A504
(5)
List: $81.99 (Save 10%)
$73.99
Next

Weapon Lights

1–7 / 7
Previous
Blazin' Deal
FAB Defense .75in Bayonet Lug Mount for Tactical Light/Laser
FAB Defense .75in Bayonet Lug Mount for Tactical Light/Laser
(2)
As Low As (Save Up to 83%)
$20.49
See all 2 models
Best Rated
Streamlight TLR Battery Door / Switch Assembly
Streamlight TLR Battery Door / Switch Assembly
(65)
As Low As (Save Up to 37%)
$56.89
See all 5 models
Final Sale
Viridian Weapon Technologies 4LUX Close Quarters 400 Lumen Grip Light
Viridian Weapon Technologies 4LUX Close Quarters 400 Lumen Grip Light
(4)
As Low As (Save Up to 24%)
$67.99
See all 4 models
Arisaka Defense Side Scout Mount Picatinny, Black, SSM-P
Arisaka Defense Side Scout Mount Picatinny, Black, SSM-P
(2)
List: $67.99 (Save 26%)
$49.99
Blazin' Deal
FAB Defense 1in Bayonette Lug Mount for Tactical Light/Laser
FAB Defense 1in Bayonette Lug Mount for Tactical Light/Laser
(6)
As Low As (Save Up to 71%)
$35.49
See all 3 models
Best Rated
SIG SAUER FoxTrot -MSR Compact Rifle Light, 1350 Lumens Led w/ Pressure Switch, Black, SOFR1CM0
SIG SAUER FoxTrot -MSR Compact Rifle Light, 1350 Lumens Led w/ Pressure Switch, Black, SOFR1CM0
(14)
List: $189.99 (Save $7.00)
$182.99
Wicked Hunting Lights GEN4 Quick Detach Adjustable Light Mount & 1in&30mm Picatinny Scope Mount Combo Kit, Black, W2091
Wicked Hunting Lights GEN4 Quick Detach Adjustable Light Mount & 1in&30mm Picatinny Scope Mount Combo Kit, Black, W2091
$69.99
Next

Mounts, Rings and Accessories

1–20 / 20
Previous
Best Rated
Magpul Mil-Spec 1913 Picatinny Ladder Rail Protector
Magpul Mil-Spec 1913 Picatinny Ladder Rail Protector
(69)
List: $11.95 (Save $1.00)
$10.95
See all 3 models
Best Rated
Arisaka Defense Offset Optic Mount Base, 6061-T6 Aluminum, MIL-A-8625 Type III Hard Coat Anodized, Black, OOM-BASE
Arisaka Defense Offset Optic Mount Base, 6061-T6 Aluminum, MIL-A-8625 Type III Hard Coat Anodized, Black, OOM-BASE
(33)
List: $130.99 (Save 24%)
$100.00
Blazin' Deal
TRYBE Defense Magnite M-Lok Picatinny Rail Section with Lugs
TRYBE Defense Magnite M-Lok Picatinny Rail Section with Lugs
(18)
As Low As (Save 70%)
$6.55
See all 3 models
Blazin' Deal
FAB Defense Side By Side Dual Picatinny Rail For M16/AR-15, Black, FX-SBS
FAB Defense Side By Side Dual Picatinny Rail For M16/AR-15, Black, FX-SBS
List: $66.00 (Save 36%)
$42.49
12% Coupon
Reptilia Dot Mount Lower 1/3 Co-Witness for Aimpoint ACRO
Reptilia Dot Mount Lower 1/3 Co-Witness for Aimpoint ACRO
(9)
As Low As (Save Up to 10%)
$97.99
See all 3 models
iRayUSA ADM Flip-to-side Mount for RICO MICRO, Black, IRAY-AC55
iRayUSA ADM Flip-to-side Mount for RICO MICRO, Black, IRAY-AC55
(1)
List: $379.99 (Save $30.99)
$349.00
Best Rated
Precision Reflex PRI M16/AR15 Standard Carry Handle Mount, Black, 05-0060
Precision Reflex PRI M16/AR15 Standard Carry Handle Mount, Black, 05-0060
(12)
List: $103.99 (Save $4.00)
$99.99
Swampfox Freedom Rings II 30mm Riflescope Rings
Swampfox Freedom Rings II 30mm Riflescope Rings
(1)
As Low As (Save Up to $6.99)
$77.99
See all 2 models
GG&G AR15 Scope Rail Mount
GG&G AR15 Scope Rail Mount
(3)
As Low As (Save Up to 16%)
$69.99
See all 2 models
Final Sale
USED, American Precision Arms Gen 2 Tru-Loc Scope Ring, 34mm, 1.125, G2T34125
USED, American Precision Arms Gen 2 Tru-Loc Scope Ring, 34mm, 1.125, G2T34125
(2)
List: $215.00 (Save 45%)
$117.99
Primary Arms Prism Red Dot Sight Carry Handle Adapter, GLx 2x Prism Scopes, Black, 910090
Primary Arms Prism Red Dot Sight Carry Handle Adapter, GLx 2x Prism Scopes, Black, 910090
(2)
List: $27.99 (Save 18%)
$22.99
Best Rated
Magpul XTM Enhanced Rail Panel Cover
Magpul XTM Enhanced Rail Panel Cover
(49)
List: $11.95 (Save $1.00)
$10.95
See all 4 models
12% Coupon
JP Enterprises Arca-Swiss AR Handguard Adapter
JP Enterprises Arca-Swiss AR Handguard Adapter
(11)
As Low As (Save Up to $5.50)
$56.95
See all 3 models
Free 2 Day Shipping
Reptilia DOT Mount 1.93in Height for Aimpoint
Reptilia DOT Mount 1.93in Height for Aimpoint
(11)
As Low As (Save Up to 11%)
$97.99
See all 5 models
Scalarworks LEAP/06 Flip-to-Side Magnifier Mount
Scalarworks LEAP/06 Flip-to-Side Magnifier Mount
(1)
List: $269.00 (Save Up to $19.29)
$259.00
See all 2 models
Wicked Hunting Lights 1in & 30mm Picatinny Scope Tube Mount, Black, W2033
Wicked Hunting Lights 1in & 30mm Picatinny Scope Tube Mount, Black, W2033
(1)
$33.99
ERGO AR-15 Furniture Kit - Grip, MagWell Grip and Rail Covers, Black, 6400-BK
ERGO AR-15 Furniture Kit - Grip, MagWell Grip and Rail Covers, Black, 6400-BK
$61.99
NcSTAR GEN2 AR15 3/4in Riser with Locking QR Mount MARFQV2
NcSTAR GEN2 AR15 3/4in Riser with Locking QR Mount MARFQV2
(3)
List: $32.99 (Save 15%)
$27.99
Scalarworks LEAP/16 Quick Detach Mount
Scalarworks LEAP/16 Quick Detach Mount
$259.00
See all 2 models
ERGO 15-Slot Full Rail Cover, Black, 4362-3PK-BK
ERGO 15-Slot Full Rail Cover, Black, 4362-3PK-BK
(1)
List: $16.50
$16.49
Next

Gun Cleaning Kits

1–10 / 10
Previous
Best Rated
Obsidian Arms AR-15 Complete Armorer's Punch Set, 12-Piece, OA-APS-15-12
Obsidian Arms AR-15 Complete Armorer's Punch Set, 12-Piece, OA-APS-15-12
(19)
List: $65.00 (Save $3.25)
$61.75
Daniel Defense Otis M4 - Cleaning Kit, 28-088-18090
Daniel Defense Otis M4 - Cleaning Kit, 28-088-18090
(4)
List: $72.00 (Save $4.01)
$67.99
Otis Technology Star Chamber Cleaning Pads
Otis Technology Star Chamber Cleaning Pads
(1)
As Low As (Save Up to 48%)
$7.49
See all 4 models
KleenBore Rifle Tactical Cleaning Kit
KleenBore Rifle Tactical Cleaning Kit
As Low As (Save Up to 37%)
$39.99
See all 2 models
Best Rated
Wheeler Engineering AR 15 Complete Brush Set
Wheeler Engineering AR 15 Complete Brush Set
(5)
List: $16.99
$16.89
See all 1 models
Real Avid AR15 Brush Combo Kit, .223/5.56mm, AVAR15BC
Real Avid AR15 Brush Combo Kit, .223/5.56mm, AVAR15BC
(1)
List: $23.53 (Save 28%)
$16.99
ERGO AR-15 Cleaning Link, Red, 1015
ERGO AR-15 Cleaning Link, Red, 1015
List: $29.99 (Save 22%)
$23.49
Pro-Shot AR15 Gas Tube Cleaners, 50-Pack, 16 in/0.125 diameter, ARGTC-50
Pro-Shot AR15 Gas Tube Cleaners, 50-Pack, 16 in/0.125 diameter, ARGTC-50
(2)
$17.99
Breakthrough Clean Technologies AR-15 Chamber Mop, #8-32, BT-223CM-AR
Breakthrough Clean Technologies AR-15 Chamber Mop, #8-32, BT-223CM-AR
(2)
List: $9.17 (Save 46%)
$4.99
Tipton Deluxe Carbon Fiber Action Rod Kit, 20in Carbon Fiber Rod, 1215370
Tipton Deluxe Carbon Fiber Action Rod Kit, 20in Carbon Fiber Rod, 1215370
List: $53.99 (Save $2.00)
$51.99
Next

Gun Storage

1–5 / 5
Previous
Galati Gear Discreet Double Square Case
Galati Gear Discreet Double Square Case
(2)
As Low As (Save Up to 18%)
$112.95
See all 4 models
Best Rated
Bulldog Cases & Vaults Ultra Compact Ar-15 Discreet Carry Case, 29 In. - Navy
Bulldog Cases & Vaults Ultra Compact Ar-15 Discreet Carry Case, 29 In. - Navy
(43)
List: $66.99 (Save 18%)
$54.79
BenchMaster AR Magazine Rack, Holds up to 12 Magazines, BMWRAR12
BenchMaster AR Magazine Rack, Holds up to 12 Magazines, BMWRAR12
(2)
List: $35.99 (Save $3.30)
$32.69
Best Rated
Raven Concealment TopStop Upper Receiver Cover
Raven Concealment TopStop Upper Receiver Cover
(7)
As Low As (Save Up to 32%)
$18.99
See all 5 models
Tufloc - Colt Ar15, Handcuff Key
Tufloc - Colt Ar15, Handcuff Key
As Low As (Save Up to $4.00)
$279.99
See all 5 models
Next

Training Gear

1–4 / 4
Previous
Blueguns Training Long Gun - Colt AR-15
Blueguns Training Long Gun - Colt AR-15
As Low As (Save Up to 19%)
$215.99
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Clearance
Blueguns Training Magazine - Ar15/m16 30 Round
Blueguns Training Magazine - Ar15/m16 30 Round
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List: $64.74 (Save 26%)
$47.89
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Laser Ammo Adaptor kit, 223 for AR15, 223LCADK
Laser Ammo Adaptor kit, 223 for AR15, 223LCADK
List: $49.95 (Save $2.50)
$47.45
Blueguns AR15/M16 30 RD Magazine, Blue, Weighted, FSARMW
Blueguns AR15/M16 30 RD Magazine, Blue, Weighted, FSARMW
List: $95.24 (Save $3.25)
$91.99
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Rainier Arms MK12 223 Wylde Partial Upper Receiver Unavailable & Discontinued Models

List of Unorderable Models

  • Rainier Arms MK12 223 Wylde Partial Upper Receiver, Black, 18 in, RA-MK12-DI-18R-PU , MPN: RA-MK12-DI-18R-PU , UPC: 744985352081 , Code: 4ZM-UFH-RAAR4-RA-MK12-DI-18R-PU
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