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Seekins Precision Forged Standard 223 Upper 10900003

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Questions & Answers

Product Discontinued by Manufacturer

Seekins Precision Forged Standard 223 Upper has been discontinued by Seekins Precision 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!

Product Info for Seekins Precision Forged Standard 223 Upper

Using Mil-Spec as a starting point, Seekins Precision takes the forged upper receiver to a greater level of performance through superior design and manufacturing. The result is a fit and finish that far exceeds the standards for Mil-Spec performance to redefine the carbine used on the battlefield. SP15 Battlefield upper receivers feature a brass deflector, forward assist and dust cover. The full length 1913 Picatinny rail on top seamlessly matches up to Seekins Precision hand guards for a continuous rail to mount optics and accessories for maximum versatility. Precision machined from a 7075-T6 aluminum forging, each SP15 Battlefield Upper Receiver is Type III Hardcoat Anodized matte black.image

Package Contents:

  • Seekins Precision Forged Standard 223 Upper

Ammunition

1–32 / 32
Previous
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PMC Bronze Ammunition, .223 Remington, 55 Grain, Full Metal Jacket, Boat Tail, Brass Case, 20-Rounds, 223A
PMC Bronze Ammunition, .223 Remington, 55 Grain, Full Metal Jacket, Boat Tail, Brass Case, 20-Rounds, 223A
(46)
List: $25.99 (Save 56%)
$11.49
$0.57/Round
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Hornady Frontier .223 Remington 55 Grain Hollow Point Brass Cased Rifle Ammunition
Hornady Frontier .223 Remington 55 Grain Hollow Point Brass Cased Rifle Ammunition
(7)
As Low As (Save Up to 28%)
$12.49
$0.62/Round
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Hornady BLACK .223 Remington 75 grain Boat-Tail Hollow Point Match Brass Cased Centerfire Rifle Ammo, 20 Rounds, 80267
Hornady BLACK .223 Remington 75 grain Boat-Tail Hollow Point Match Brass Cased Centerfire Rifle Ammo, 20 Rounds, 80267
(6)
List: $27.99 (Save 23%)
$21.49
$1.07/Round
15% Coupon
Hornady Black .223 Remington 62 grain Full Metal Jacket (FMJ) Brass Centerfire Rifle Ammunition
Hornady Black .223 Remington 62 grain Full Metal Jacket (FMJ) Brass Centerfire Rifle Ammunition
(10)
As Low As (Save Up to 34%)
$16.79
$0.84/Round
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Winchester USA .223 Remington, 55 Grain Full Metal Jacket Brass Rifle Ammunition
Winchester USA .223 Remington, 55 Grain Full Metal Jacket Brass Rifle Ammunition
(38)
As Low As (Save Up to 46%)
$13.49
$0.60 - $0.72/Round
See all 4 models
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Hornady Superformance .223 Remington 53 grain V-MAX Brass Cased Centerfire Rifle Ammo, 20 Rounds, 8025
Hornady Superformance .223 Remington 53 grain V-MAX Brass Cased Centerfire Rifle Ammo, 20 Rounds, 8025
(6)
List: $39.64 (Save 29%)
$27.99
$1.40/Round
Freedom Munitions .223 Remington 55 Grain Full Metal Jacket Brass Rifle Ammunition
Freedom Munitions .223 Remington 55 Grain Full Metal Jacket Brass Rifle Ammunition
As Low As (Save Up to 19%)
$26.49
$0.53 - $0.57/Round
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Federal Premium 223 Rem 77 Grain Centerstrike Centerfire Rifle Ammo, 20 Rounds, GM223OTM3
Federal Premium 223 Rem 77 Grain Centerstrike Centerfire Rifle Ammo, 20 Rounds, GM223OTM3
List: $39.99 (Save 25%)
$29.89
$1.49/Round
Best Rated
Hornady Frontier .223 Remington 55 Grain Full Metal Jacket Brass Cased Centerfire Rifle Ammunition
Hornady Frontier .223 Remington 55 Grain Full Metal Jacket Brass Cased Centerfire Rifle Ammunition
(11)
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$12.99
$0.62 - $0.82/Round
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On Sale
Nosler Varmageddon .223 Remington 55 Grain Flat Base Tipped Brass Cased Centerfire Rifle Ammo, 20 Rounds, 65145
Nosler Varmageddon .223 Remington 55 Grain Flat Base Tipped Brass Cased Centerfire Rifle Ammo, 20 Rounds, 65145
(3)
List: $38.95 (Save 24%)
$29.49
$1.47/Round
Remington UMC .223 55 Grain Full Metal Jacket Brass Centerfire Rifle Ammunition
Remington UMC .223 55 Grain Full Metal Jacket Brass Centerfire Rifle Ammunition
(3)
As Low As (Save Up to 13%)
$14.99
$0.73 - $0.75/Round
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SinterFire GreenLine .223 Remington 55 Frangible Brass Rifle Ammo, 50 Rounds, SF22355GL-C
SinterFire GreenLine .223 Remington 55 Frangible Brass Rifle Ammo, 50 Rounds, SF22355GL-C
List: $47.29 (Save 19%)
$38.49
$0.77/Round
Remington UMC Rifle .223 45 Grain Jacketed Hollow Point Centerfire Rifle Ammunition
Remington UMC Rifle .223 45 Grain Jacketed Hollow Point Centerfire Rifle Ammunition
(1)
As Low As (Save Up to 13%)
$20.49
$0.97 - $1.04/Round
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Hornady Superformance .223 Remington 75 grain Boat-Tail Hollow Point Match Brass Cased Centerfire Rifle Ammo, 20 Rounds, 80264
Hornady Superformance .223 Remington 75 grain Boat-Tail Hollow Point Match Brass Cased Centerfire Rifle Ammo, 20 Rounds, 80264
(2)
List: $41.40 (Save 17%)
$34.49
$1.72/Round
Remington UMC Rifle .223 50 Grain Jacketed Hollow Point Centerfire Rifle Ammunition
Remington UMC Rifle .223 50 Grain Jacketed Hollow Point Centerfire Rifle Ammunition
As Low As (Save Up to 13%)
$20.49
$0.97 - $1.02/Round
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Best Rated
Winchester USA White Box .223 Remington 62 Grain Full Metal Jacket Brass Rifle Ammo, 20 Rounds, USA223R3
Winchester USA White Box .223 Remington 62 Grain Full Metal Jacket Brass Rifle Ammo, 20 Rounds, USA223R3
(8)
List: $14.29 (Save $1.00)
$13.29
$0.66/Round
PPU Match .223 Remington 75 Grain Hollow Point Boat Tail Brass Cased Rifle Ammo, 20 Rounds, PPM2232
PPU Match .223 Remington 75 Grain Hollow Point Boat Tail Brass Cased Rifle Ammo, 20 Rounds, PPM2232
List: $24.00 (Save 17%)
$19.99
$1.00/Round
Winchester USA RIFLE .223 Remington 45 grain Jacketed Hollow Point Centerfire Rifle Ammo, 40 Rounds, USA2232
Winchester USA RIFLE .223 Remington 45 grain Jacketed Hollow Point Centerfire Rifle Ammo, 40 Rounds, USA2232
(1)
List: $46.29
$45.49
$1.14/Round
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Nosler Match Grade .223 Remington 77 Grain Custom Competition Brass Cased Centerfire Rifle Ammo, 20 Rounds, 60011
Nosler Match Grade .223 Remington 77 Grain Custom Competition Brass Cased Centerfire Rifle Ammo, 20 Rounds, 60011
(10)
List: $45.95 (Save 12%)
$40.49
$2.02/Round
Best Rated
PMC Bronze Ammunition, .223 Remington, 55 Grain, Soft Point, Brass Case, 20-Rounds, 223SP
PMC Bronze Ammunition, .223 Remington, 55 Grain, Soft Point, Brass Case, 20-Rounds, 223SP
(6)
List: $18.00 (Save 14%)
$15.49
$0.77/Round
On Sale
Nosler Varmageddon .223 Remington 62 Grain Flat Base Hollow Point Brass Cased Centerfire Rifle Ammo, 20 Rounds, 40223
Nosler Varmageddon .223 Remington 62 Grain Flat Base Hollow Point Brass Cased Centerfire Rifle Ammo, 20 Rounds, 40223
(1)
List: $38.95 (Save 27%)
$28.49
$1.42/Round
Hornady Superformance 223 Rem 50 Grain CX Brass Riffle Ammo, 20 Rounds, 83292
Hornady Superformance 223 Rem 50 Grain CX Brass Riffle Ammo, 20 Rounds, 83292
(1)
List: $46.61 (Save 36%)
$29.89
$1.49/Round
Federal Fusion MSR .223 62 Grain Soft Point Centerfire Rifle Ammo, 20 Rounds, F223MSR1
Federal Fusion MSR .223 62 Grain Soft Point Centerfire Rifle Ammo, 20 Rounds, F223MSR1
(2)
List: $44.99 (Save 18%)
$36.99
$1.85/Round
Federal Premium American Eagle .223 50 Grain Jacketed Hollow Point Centerfire Rifle Ammo, 50 Rounds, AE22350VP
Federal Premium American Eagle .223 50 Grain Jacketed Hollow Point Centerfire Rifle Ammo, 50 Rounds, AE22350VP
List: $55.99 (Save 18%)
$45.99
$0.92/Round
Best Rated
Hornady Critical Defense .223 Remington 55 grain Flex Tip eXpanding Brass Cased Centerfire Rifle Ammo, 20 Rounds, 80270
Hornady Critical Defense .223 Remington 55 grain Flex Tip eXpanding Brass Cased Centerfire Rifle Ammo, 20 Rounds, 80270
(10)
List: $40.57 (Save 20%)
$32.49
$1.62/Round
Super Vel Ammunition .223 Remington 77 grain Open Tip Match Brass Cased Rifle Ammunition
Super Vel Ammunition .223 Remington 77 grain Open Tip Match Brass Cased Rifle Ammunition
(2)
As Low As (Save Up to $10.96)
$61.99
$1.22 - $1.24/Round
See all 2 models
Freedom Munitions .223 Remington 62 Grain Full Metal Jacket Brass Rifle Ammunition
Freedom Munitions .223 Remington 62 Grain Full Metal Jacket Brass Rifle Ammunition
As Low As (Save 12%)
$29.49
$0.58 - $0.59/Round
See all 3 models
Federal Premium .223 REM 55GR FMJ BOAT-TAIL AMMO 500 ROUND CASE, AE223 Case
Federal Premium .223 REM 55GR FMJ BOAT-TAIL AMMO 500 ROUND CASE, AE223 Case
List: $429.99 (Save 17%)
$355.49
$0.71/Round
Winchester FMJ Winchester LC .223 Remington 55 gr Rifle Brass Ammunition
Winchester FMJ Winchester LC .223 Remington 55 gr Rifle Brass Ammunition
As Low As (Save Up to 40%)
$14.49
$0.66 - $0.72/Round
See all 2 models
Best Rated
Hornady Critical Defense .223 Remington 73 grain Flex Tip eXpanding Brass Cased Centerfire Rifle Ammo, 20 Rounds, 80260
Hornady Critical Defense .223 Remington 73 grain Flex Tip eXpanding Brass Cased Centerfire Rifle Ammo, 20 Rounds, 80260
(7)
List: $40.57 (Save 20%)
$32.49
$1.62/Round
Armscor Precision Inc USA .223 Remington 55 Grain Full Metal Jacket Brass Rifle Ammunition, 20 Rounds, FAC223-1N
Armscor Precision Inc USA .223 Remington 55 Grain Full Metal Jacket Brass Rifle Ammunition, 20 Rounds, FAC223-1N
(3)
List: $14.99 (Save 17%)
$12.49
$0.62/Round
PMC Ammunition .223 Remington 55 Grain Full Metal Jacket Brass Cased Centerfire Rifle Ammo, 840 Rounds, 223AMB
PMC Ammunition .223 Remington 55 Grain Full Metal Jacket Brass Cased Centerfire Rifle Ammo, 840 Rounds, 223AMB
List: $629.99 (Save 12%)
$556.99
$0.66/Each
Next

AR Upper Receiver Parts

1–60 / 60
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UTG Pro AR15 Super Slim M-LOK 15in Drop-in Handguard, Black, MTU015SSM
UTG Pro AR15 Super Slim M-LOK 15in Drop-in Handguard, Black, MTU015SSM
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$114.97
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SureFire Warcomp Flash Hider w/Suppressor Adapter
SureFire Warcomp Flash Hider w/Suppressor Adapter
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SilencerCo ASR Closed Tine Flash Hider, .223 Remington/5.56NATO, 1/2x28, Nitride Black, AC5326
SilencerCo ASR Closed Tine Flash Hider, .223 Remington/5.56NATO, 1/2x28, Nitride Black, AC5326
List: $94.00 (Save 15%)
$79.90
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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 14%)
$157.95
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Armaspec Enhanced Takedown Pivot Pins, Black, ARM137-BLK
Armaspec Enhanced Takedown Pivot Pins, Black, ARM137-BLK
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Cross Armory Quick Takedown Pins
Cross Armory Quick Takedown Pins
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$103.49
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Angstadt Arms 3-Lug Devices Muzzle Adapter, 9mm Luger, 1.42 inch, 1/2x28 TPI, Black Nitride, Black, AA093LSD28
(5)
List: $62.00 (Save 31%)
$42.99
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Armaspec Takedown Pivot Pins, Stainless Steel, ARM147-SS
Armaspec Takedown Pivot Pins, Stainless Steel, ARM147-SS
(8)
List: $22.19 (Save 28%)
$15.99
Blazin' Deal
TRYBE Defense AR-15 Magnite Ultra Function Lightweight M-LOK Handguard w/ Cut Top Rail
TRYBE Defense AR-15 Magnite Ultra Function Lightweight M-LOK Handguard w/ Cut Top Rail
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$29.78
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Strike Industries Extended Pivot / Takedown Pins
Strike Industries Extended Pivot / Takedown Pins
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$15.99
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UTG Pro AR-15 Carbine Length Drop-in Quad Rail, Picatinny, 6.67in Handguard, Black, MTU001
UTG Pro AR-15 Carbine Length Drop-in Quad Rail, Picatinny, 6.67in Handguard, Black, MTU001
(154)
List: $69.97 (Save 14%)
$59.97
Sons of Liberty Gun Works NOX Muzzle Device, .300, 5/8x24, Black, NOX-300
Sons of Liberty Gun Works NOX Muzzle Device, .300, 5/8x24, Black, NOX-300
(1)
List: $125.00 (Save 13%)
$109.00
Blazin' Deal
TRYBE Defense AR-15 Magnite Go Fast Ultra Lightweight M-LOK Handguard w/ Full Top Rail
TRYBE Defense AR-15 Magnite Go Fast Ultra Lightweight M-LOK Handguard w/ Full Top Rail
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$35.57
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CMMG Parts Kit, Detent and Pivot/Takedown, 10-pack, Black, 55AFF51
CMMG Parts Kit, Detent and Pivot/Takedown, 10-pack, Black, 55AFF51
(11)
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$11.99
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Rainier Arms AR-15 Extended Take Down/Pivot Pin Set
Rainier Arms AR-15 Extended Take Down/Pivot Pin Set
(8)
List: $27.99 (Save Up to 33%)
$20.00
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Odin Works Forend Ragna M-lok 17.5'' Black Ar-15, F17MLRA
Odin Works Forend Ragna M-lok 17.5'' Black Ar-15, F17MLRA
(11)
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$140.30
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Geissele Mk16 M-Lok Super Modular Rail
Geissele Mk16 M-Lok Super Modular Rail
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$282.99
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SureFire Warcomp Flash Hider w/Suppressor Adapter, 5.56mm, Black, WARCOMP-556-M15X1
SureFire Warcomp Flash Hider w/Suppressor Adapter, 5.56mm, Black, WARCOMP-556-M15X1
(120)
$309.99
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Armaspec Superlight Takedown Pivot Pins Package
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$15.99
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CMMG, Inc Parts Kit, AR-15, HD Pivot and Takedown Pins, 55AFF3B
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(3)
List: $34.99 (Save 17%)
$28.99
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TRYBE Defense AR A2 Flash Hider
TRYBE Defense AR A2 Flash Hider
(15)
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$4.04
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Odin Works Forend Ragna M-lok 15.5'' Black Ar-15, F15MLRA
Odin Works Forend Ragna M-lok 15.5'' Black Ar-15, F15MLRA
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$131.80
Tiger Rock AR-10/LR-308 Takedown and Pivot Pins
Tiger Rock AR-10/LR-308 Takedown and Pivot Pins
(2)
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$9.99
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Mossberg Mb Muzzle Device For Patriot .450 Bushmaster
Mossberg Mb Muzzle Device For Patriot .450 Bushmaster
List: $53.20
$52.59
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SureFire 3 Prong Eliminator Flash Hider For M4/M16/AR15 Type Weapons, 1/2-28 Threads
SureFire 3 Prong Eliminator Flash Hider For M4/M16/AR15 Type Weapons, 1/2-28 Threads
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$75.99
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TRYBE Defense AR-15 Magnite Ultra Function Lightweight M-LOK Handguard w/ Full Top Rail
TRYBE Defense AR-15 Magnite Ultra Function Lightweight M-LOK Handguard w/ Full Top Rail
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NEMO AR Frame Takedown Pins
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UTG Pro AR-15 Mid Length Drop-in Quad Rail, Picatinny, 8.7in Handguard, Black, MTU007
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Dead Air Silencers Dead Air KeyMount Flash Hider 1212153
Dead Air Silencers Dead Air KeyMount Flash Hider 1212153
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Area 419 Hellfire Linear Flash Suppressor
Area 419 Hellfire Linear Flash Suppressor
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Midwest Industries 9.50in Combat Rail T-Series One Piece Free Float Handguard, Black, MI-CRT-9.50
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Rugged Suppressors Flash Hider Rifle Front Cap
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Guntec USA AR-15 Mini Trident Flash Can, 9mm w/Glass Breaker, Black, MINICONE-FH-S-C-9
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Guntec USA AR-15 Pistol Furniture Set w/Micro Breach Pistol Brace
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DPMS AR-15 Takedown/Pivot Pin Assembly, One Size, DP51655130099
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CMMG, Inc Reciever Pivot, M16, HD, Black, 55CA566
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CMMG, Inc Takedown Pin, MK3, HD, Black, 38CA52B
CMMG, Inc Takedown Pin, MK3, HD, Black, 38CA52B
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Ammo Boxes

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MTM 100 Round Blue Small Rifle 17/223 Caliber Ammo Box, RS10024
MTM 100 Round Blue Small Rifle 17/223 Caliber Ammo Box, RS10024
(15)
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Frankford Arsenal Reloading Tools Hinge-Top Ammo Box
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(11)
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MTM Ammo Box 50 Round Flip-Top 243 308 Win 220 Swift, Clear Blue RM-50-24
MTM Ammo Box 50 Round Flip-Top 243 308 Win 220 Swift, Clear Blue RM-50-24
(1)
List: $10.29 (Save 44%)
$5.79
MTM Ammo Box 100 Round Flip-Top 223 204 Ruger 6x47, smk/clear, small RS-100-41
MTM Ammo Box 100 Round Flip-Top 223 204 Ruger 6x47, smk/clear, small RS-100-41
(2)
List: $10.94 (Save 36%)
$6.99
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MTM 223 Ammo Can 400 Round w/ 4 each RS-100s, Dark Earth ACC223
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(8)
List: $42.44 (Save $2.95)
$39.49
MTM J-20 Slip-Top Boxes .17/.223/.222 Magnum, Clear Green, J-20-XS-16
MTM J-20 Slip-Top Boxes .17/.223/.222 Magnum, Clear Green, J-20-XS-16
(1)
List: $3.62
$3.49
Berrys 29682 405 Ammo Box 223 Rem,5.56x45mm NATO 50rd Smoke Lid W/Black Bottom
Berrys 29682 405 Ammo Box 223 Rem,5.56x45mm NATO 50rd Smoke Lid W/Black Bottom
(1)
List: $5.39 (Save 41%)
$3.19
Berrys 11664 005 Ammo Box 223 Rem,5.56x45mm NATO 100rd Smoke Lid W/Black Bottom
Berrys 11664 005 Ammo Box 223 Rem,5.56x45mm NATO 100rd Smoke Lid W/Black Bottom
List: $6.99 (Save 21%)
$5.49
Berrys 86410 005 Ammo Box 223 Rem,5.56x45mm NATO 100rd Blue Lid W/Black Bottom
Berrys 86410 005 Ammo Box 223 Rem,5.56x45mm NATO 100rd Blue Lid W/Black Bottom
List: $6.99 (Save 21%)
$5.49
Berrys 79462 405 Ammo Box 223 Rem,5.56x45mm NATO 50rd Clear Lid W/Black Bottom
Berrys 79462 405 Ammo Box 223 Rem,5.56x45mm NATO 50rd Clear Lid W/Black Bottom
List: $6.49 (Save 51%)
$3.19
Berrys 44661 405 Ammo Box 223 Rem,5.56x45mm NATO 50rd Blue Lid W/Black Bottom
Berrys 44661 405 Ammo Box 223 Rem,5.56x45mm NATO 50rd Blue Lid W/Black Bottom
List: $6.49 (Save 51%)
$3.19
RCBS Impact Resistant Ammo Box .223 Rem/5.56 NATO 86E0BB5F, RC86910
RCBS Impact Resistant Ammo Box .223 Rem/5.56 NATO 86E0BB5F, RC86910
$11.99
MTM Ammo Rack w 4 RS-50-24 Ammo boxes, Dark Earth/Clear Blue, ARRS
MTM Ammo Rack w 4 RS-50-24 Ammo boxes, Dark Earth/Clear Blue, ARRS
(2)
List: $37.97 (Save $3.18)
$34.79
MTM H50 Ammunition Box .17 Remington to .223 Remington Blue
MTM H50 Ammunition Box .17 Remington to .223 Remington Blue
(2)
List: $21.99 (Save 32%)
$14.95
BERRYS 30 CAL PLASTIC AMMO CAN, BLACK, 12887
BERRYS 30 CAL PLASTIC AMMO CAN, BLACK, 12887
List: $12.00 (Save 46%)
$6.49
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Seekins Precision Forged Standard 223 Upper Unavailable & Discontinued Models

List of Unorderable Models

  • Seekins Precision Forged Standard 223 Upper Receiver w/Dust Cover/Forward Assist 0010900003 , MPN: 10900003 , Code: SKP-UPR-0010900003
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