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Primary Weapons Systems MK218 MOD1-M 18in bbl Upper Receiver

Primary Weapons Systems MK218 MOD1-M Upper Receiver, 18in bbl, 6.5 Creedmoor, 3-Setting Adjustable Gas System, PRC30 Compensator, Black M2180UD01-1F
Primary Weapons Systems MK218 MOD1-M Upper Receiver, 18in bbl, .308 Match, 3-Setting Adjustable Gas System, PRC30 Compensator, Black M218UC01-1F
Primary Weapons Systems MK218 MOD1-M Upper Receiver, 18in bbl, 6.5 Creedmoor, 3-Setting Adjustable Gas System, PRC30 Compensator, Black M2180UD01-1F
1 of 2 images
Primary Weapons Systems MK218 MOD1-M Upper Receiver, 18in bbl, 6.5 Creedmoor, 3-Setting Adjustable Gas System, PRC30 Compensator, Black M2180UD01-1F
Primary Weapons Systems MK218 MOD1-M Upper Receiver, 18in bbl, .308 Match, 3-Setting Adjustable Gas System, PRC30 Compensator, Black M218UC01-1F
2 of 2 images
Primary Weapons Systems MK218 MOD1-M Upper Receiver, 18in bbl, .308 Match, 3-Setting Adjustable Gas System, PRC30 Compensator, Black M218UC01-1F

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Questions & Answers
Understanding it is a 308 with a match grade barrel. Is it safely capable of shooting 7.62 custom match ammo as the primary rounds? Expert Answer

The Primary Weapons Systems MK218 MOD1-M 18in bbl Upper Receiver .308 Match can fire 7.62x51 ammo but is recommended to use .308 Win ammo. I recommend contacting Primary Weapons Systems in regard to their recommendation of using 7.62x51 ammo with this upper and if it impacts the warranty.

by Hunter, Gear Expert, December 2, 2022
Will this upper in 6.5 Creedmoor be compatible with the JP Enterprises Gen 2 Silent Captured Buffer Spring System (JPSCS2-10 Builder Kit w/Tungsten)? Expert Answer

Yes, it is.

by Kurt Colbourne, Gear Expert, September 15, 2021
View All Q&A You Have a Question? Ask!
Barrel Length: 18 inMuzzle Device: PRC 30 Finish: Matte Color: Black Additional Features: 3-Setting Adjustable Gas System Condition: Factory DEMO Magazine Included: No Projectile Caliber: .308 Caliber

Code: 2D5-URC-RG39D-M218UC01-1F-DEMO

MPN: M218UC01-1F-DEMO

Product No Longer Available

Product Info for Primary Weapons Systems MK218 MOD1-M 18in bbl Upper Receiver

MK218 MOD 1-M Upper, 18in Barrelimage

Package Contents:

  • Primary Weapons Systems MK218 MOD1-M 18in bbl Upper Receiver

Ammunition

1–44 / 44
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Hornady Match 6.5mm Creedmoor 140 grain Extremely Low Drag Match Brass Cased Centerfire Rifle Ammo, 20 Rounds, 81500
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(3)
List: $47.59 (Save 19%)
$38.69
$1.93/Round
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Hornady Precision Hunter 6.5mm Creedmoor 143 Grain Extremely Low Drag - eXpanding Centerfire Rifle Ammunition
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(13)
As Low As (Save Up to 21%)
$41.89
$2.09 - $2.49/Round
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Hornady Precision Hunter .308 Winchester 178 grain Extremely Low Drag - eXpanding Brass Cased Centerfire Rifle Ammo, 20 Rounds, 80994
Hornady Precision Hunter .308 Winchester 178 grain Extremely Low Drag - eXpanding Brass Cased Centerfire Rifle Ammo, 20 Rounds, 80994
(3)
List: $52.89 (Save 18%)
$43.19
$2.16/Round
Best Rated
PMC Ammunition Bronze .308 Winchester 147 Grain Full Metal Jacket Brass Rifle Ammunition
PMC Ammunition Bronze .308 Winchester 147 Grain Full Metal Jacket Brass Rifle Ammunition
(28)
As Low As (Save Up to 49%)
$21.09
$0.98 - $1.05/Round
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Best Rated
Hornady American Whitetail 6.5mm Creedmoor 129 Grain InterLock SP Centerfire Rifle Ammunition
Hornady American Whitetail 6.5mm Creedmoor 129 Grain InterLock SP Centerfire Rifle Ammunition
(8)
As Low As (Save Up to 29%)
$24.59
$1.23 - $1.25/Round
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Hornady American Gunner 6.5mm Creedmoor 140 grain Boat-Tail Hollow Point Match Brass Cased Centerfire Rifle Ammo, 50 Rounds, 81482
Hornady American Gunner 6.5mm Creedmoor 140 grain Boat-Tail Hollow Point Match Brass Cased Centerfire Rifle Ammo, 50 Rounds, 81482
(5)
List: $90.89 (Save 23%)
$69.99
$1.40/Round
Winchester USA RIFLE 6.5 Creedmoor 125 grain Full Metal Jacket Centerfire Rifle Ammunition
Winchester USA RIFLE 6.5 Creedmoor 125 grain Full Metal Jacket Centerfire Rifle Ammunition
(7)
As Low As (Save Up to 36%)
$20.89
$1.04/Round
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HSM 3082N Match 308 Win 168 Gr Sierra MatchKing Boat-Tail Hollow Point BTHP 2
HSM 3082N Match 308 Win 168 Gr Sierra MatchKing Boat-Tail Hollow Point BTHP 2
List: $80.49 (Save 37%)
$50.59
$2.53/Round
Blazin' Deal
Nosler Trophy Grade .308 Winchester 165 Grain AccuBond Brass Cased Centerfire Rifle Ammunition
Nosler Trophy Grade .308 Winchester 165 Grain AccuBond Brass Cased Centerfire Rifle Ammunition
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As Low As (Save Up to 41%)
$42.49
$2.12 - $2.93/Round
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Hornady Match 6.5mm Creedmoor 147 grain Extremely Low Drag Match Brass Cased Centerfire Rifle Ammo, 20 Rounds, 81501
Hornady Match 6.5mm Creedmoor 147 grain Extremely Low Drag Match Brass Cased Centerfire Rifle Ammo, 20 Rounds, 81501
(2)
List: $47.59 (Save 20%)
$37.89
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Nosler Match Grade 6.5mm Creedmoor 140 Grain Custom Competition Brass Cased Centerfire Rifle Ammunition
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(2)
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$58.29
$2.76 - $2.91/Round
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Hornady Superformance .308 Winchester 165 grain Super Shock Tip Brass Cased Centerfire Rifle Ammo, 20 Rounds, 80983
Hornady Superformance .308 Winchester 165 grain Super Shock Tip Brass Cased Centerfire Rifle Ammo, 20 Rounds, 80983
(7)
List: $48.79 (Save 19%)
$39.69
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On Sale
Nosler .308 Winchester 175 Grain Custom Competition Brass Cased Centerfire Rifle Ammunition
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(4)
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$49.29
$1.74 - $2.46/Round
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Blazin' Deal
Nosler Whitetail Country 308 Winchester 165 Grain Solid Base Brass Cased Rifle Ammunition
Nosler Whitetail Country 308 Winchester 165 Grain Solid Base Brass Cased Rifle Ammunition
(4)
As Low As (Save Up to 17%)
$30.99
$1.55 - $1.83/Round
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Sako 6.5 Creedmoor, 136 Grain, Rifle Ammo, JASTRG65CM136B
Sako 6.5 Creedmoor, 136 Grain, Rifle Ammo, JASTRG65CM136B
List: $67.99 (Save 33%)
$45.79
$2.29/Round
Best Rated
Barnes VOR-TX .308 Winchester 130 grain TTSX Boat Tail Brass Centerfire Rifle Ammunition
Barnes VOR-TX .308 Winchester 130 grain TTSX Boat Tail Brass Centerfire Rifle Ammunition
(12)
As Low As (Save Up to 10%)
$58.79
$2.79 - $2.94/Round
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Remington UMC Rifle .308 Winchester 150 Grain Full Metal Jacket Centerfire Rifle Ammunition
Remington UMC Rifle .308 Winchester 150 Grain Full Metal Jacket Centerfire Rifle Ammunition
As Low As (Save Up to 21%)
$34.99
$1.56 - $1.75/Round
See all 2 models
Hornady Superformance 6.5mm Creedmoor 120 Grain Copper Solid CX Brass Cased Centerfire Rifle Ammo, 20 Rounds, 814904
Hornady Superformance 6.5mm Creedmoor 120 Grain Copper Solid CX Brass Cased Centerfire Rifle Ammo, 20 Rounds, 814904
(2)
List: $56.39 (Save 23%)
$43.19
$2.16/Round
Blazin' Deal
Hornady Match .308 Winchester 178 Grain Boat-Tail Hollow Point Match Centerfire Rifle Ammo, 20 Rounds, 8105
Hornady Match .308 Winchester 178 Grain Boat-Tail Hollow Point Match Centerfire Rifle Ammo, 20 Rounds, 8105
(3)
List: $46.79 (Save 24%)
$35.49
$1.77/Round
Nosler 6.5 Creedmoor, Partition , 140 grain, Brass Cased, 20 Rounds, 61016
Nosler 6.5 Creedmoor, Partition , 140 grain, Brass Cased, 20 Rounds, 61016
(1)
List: $71.50 (Save 18%)
$58.29
$2.91/Round
Fort Scott Munitions 6.5 CREEDMOOR 123 Grain Centerfire Rifle Ammo, 20 Rounds, 65CM-123-SCV11
Fort Scott Munitions 6.5 CREEDMOOR 123 Grain Centerfire Rifle Ammo, 20 Rounds, 65CM-123-SCV11
List: $49.08 (Save 16%)
$40.99
$2.05/Round
Cor Bon 308 Win 168 Grain Jacketed Hollow Point -DPX Brass Cased Rifle Ammo, 20 Rounds, DPX308168/20
Cor Bon 308 Win 168 Grain Jacketed Hollow Point -DPX Brass Cased Rifle Ammo, 20 Rounds, DPX308168/20
List: $63.00 (Save 13%)
$54.99
$2.75/Round
Nosler 6.5mm Creedmoor 120 Grain E-Tip Brass Cased Centerfire Rifle Ammo, 20 Rounds, 40398
Nosler 6.5mm Creedmoor 120 Grain E-Tip Brass Cased Centerfire Rifle Ammo, 20 Rounds, 40398
(2)
List: $61.95 (Save 18%)
$50.99
$2.55/Round
Best Rated
Hornady Superformance 6.5mm Creedmoor 129 grain Super Shock Tip Brass Cased Centerfire Rifle Ammo, 20 Rounds, 81496
Hornady Superformance 6.5mm Creedmoor 129 grain Super Shock Tip Brass Cased Centerfire Rifle Ammo, 20 Rounds, 81496
(8)
List: $48.79 (Save 19%)
$39.69
$1.98/Round
Federal Premium Custom Shop .308 Winchester 175 grain Terminal Ascent Rifle Ammo, 20 Rounds, FCS308TA1SC
Federal Premium Custom Shop .308 Winchester 175 grain Terminal Ascent Rifle Ammo, 20 Rounds, FCS308TA1SC
List: $158.99 (Save 22%)
$123.49
$6.17/Round
Best Rated
Sellier & Bellot 6.5 Creedmoor 131 Grain Soft Point Rifle Ammo, 20 Rounds, SB65B
Sellier & Bellot 6.5 Creedmoor 131 Grain Soft Point Rifle Ammo, 20 Rounds, SB65B
(8)
List: $26.65 (Save 28%)
$19.09
$0.95/Round
Nosler Match Grade 6.5mm Creedmoor 140 Grain Jacketed Hollow Point Boat Tail Brass Cased Centerfire Rifle Ammo, 20 Rounds, 60115
Nosler Match Grade 6.5mm Creedmoor 140 Grain Jacketed Hollow Point Boat Tail Brass Cased Centerfire Rifle Ammo, 20 Rounds, 60115
(4)
List: $59.95 (Save 25%)
$44.89
$2.24/Round
Best Rated
Hornady Custom .308 Winchester 125 grain Super Shock Tip Brass Cased Centerfire Rifle Ammo, 20 Rounds, 80866
Hornady Custom .308 Winchester 125 grain Super Shock Tip Brass Cased Centerfire Rifle Ammo, 20 Rounds, 80866
(5)
List: $47.09 (Save 23%)
$36.09
$1.80/Round
Fort Scott Munitions Buck Commander 6.5mm Creedmoor 140 Grain SCS Solid Copper Spun Brass Cased Rifle Ammo, 20 Rounds, 6.5CM-140-SCV2BC
Fort Scott Munitions Buck Commander 6.5mm Creedmoor 140 Grain SCS Solid Copper Spun Brass Cased Rifle Ammo, 20 Rounds, 6.5CM-140-SCV2BC
List: $51.08 (Save 17%)
$42.29
$2.11/Round
SIG SAUER Platinum Hunter 6.5mm Creedmoor 140 Grain Nosler Accubond Brass Cased Centerfire Rifle Ammo, 20 Rounds, E65CMPH140-20
SIG SAUER Platinum Hunter 6.5mm Creedmoor 140 Grain Nosler Accubond Brass Cased Centerfire Rifle Ammo, 20 Rounds, E65CMPH140-20
List: $59.99 (Save 26%)
$44.19
$2.21/Round
Blazin' Deal
Remington Premier Match .308 Winchester 175 Grain Sierra MatchKing Boat-Tail Hollow Point Centerfire Rifle Ammo, 20 Rounds, 21486
Remington Premier Match .308 Winchester 175 Grain Sierra MatchKing Boat-Tail Hollow Point Centerfire Rifle Ammo, 20 Rounds, 21486
List: $55.99 (Save 47%)
$29.49
$1.47/Round
Berger Hybrid OTM Tactical 6.5 Creedmoor 130 grain Hybrid Tactical Open Tip Match Brass Cased Centerfire Rifle Ammo, 20 Rounds, 31021
Berger Hybrid OTM Tactical 6.5 Creedmoor 130 grain Hybrid Tactical Open Tip Match Brass Cased Centerfire Rifle Ammo, 20 Rounds, 31021
(3)
List: $52.99 (Save 19%)
$42.69
$2.13/Round
G9 Defense 308 Winchester 145 Grain Barrier Blind Hollow Point Brass Cased Rifle Ammo, 20 Rounds, B-308ALPHA-145
G9 Defense 308 Winchester 145 Grain Barrier Blind Hollow Point Brass Cased Rifle Ammo, 20 Rounds, B-308ALPHA-145
List: $81.99 (Save 18%)
$66.99
$3.35/Round
Sellier & Bellot eXergy 6.5mm Creedmoor 120grain TAC-EX-Blue Brass Cased Rifle Ammo, 20 Rounds, SB65XA
Sellier & Bellot eXergy 6.5mm Creedmoor 120grain TAC-EX-Blue Brass Cased Rifle Ammo, 20 Rounds, SB65XA
List: $39.03 (Save 34%)
$25.89
$1.29/Round
Hornady Custom .308 Winchester 150 grain Super Shock Tip Brass Cased Centerfire Rifle Ammo, 20 Rounds, 8093
Hornady Custom .308 Winchester 150 grain Super Shock Tip Brass Cased Centerfire Rifle Ammo, 20 Rounds, 8093
(1)
List: $46.49 (Save 22%)
$36.49
$1.82/Round
Armscor Precision Inc USA 6.5mm Creedmoor 123 Grain Hollow Point Boat Tail Brass Cased Rifle Ammo, 20 Rounds, FAC65C-1N-20RD
Armscor Precision Inc USA 6.5mm Creedmoor 123 Grain Hollow Point Boat Tail Brass Cased Rifle Ammo, 20 Rounds, FAC65C-1N-20RD
List: $37.99 (Save 33%)
$25.49
$1.27/Round
Norma Tipstrike 6.5 Creedmoor 140 Grain Lead Bonded Brass Cased Rifle Ammo, 20 Rounds, 20166512
Norma Tipstrike 6.5 Creedmoor 140 Grain Lead Bonded Brass Cased Rifle Ammo, 20 Rounds, 20166512
Price After Rebate
$29.79
$1.61/Round
Hornady American Gunner Rifle 6.5 Creedmoor 140 gr BTHP 2690 fps 200/ct Can, 81483
Hornady American Gunner Rifle 6.5 Creedmoor 140 gr BTHP 2690 fps 200/ct Can, 81483
List: $312.49 (Save 18%)
$256.69
$1.28/Round
Freedom Munitions .308 Winchester 147 Grain Full Metal Jacket Brass Rifle Ammunition
Freedom Munitions .308 Winchester 147 Grain Full Metal Jacket Brass Rifle Ammunition
As Low As (Save 23%)
$23.99
$1.18 - $1.20/Round
See all 2 models
Freedom Munitions .308 Winchester 150 Grain Full Metal Jacket Brass Cased Pistol Ammo, 20 Rounds, FM308F150N
Freedom Munitions .308 Winchester 150 Grain Full Metal Jacket Brass Cased Pistol Ammo, 20 Rounds, FM308F150N
List: $39.99 (Save 31%)
$27.59
$1.38/Round
Best Rated
Lapua Scenar-L .308 Winchester 175 grain Scenar-L Open Tip Match Brass Cased Centerfire Rifle Ammunition
Lapua Scenar-L .308 Winchester 175 grain Scenar-L Open Tip Match Brass Cased Centerfire Rifle Ammunition
(5)
As Low As (Save Up to 22%)
$130.49
$2.48 - $2.61/Round
See all 2 models
Best Rated
Nosler .308 Winchester 168 Grain Custom Competition Brass Cased Centerfire Rifle Ammunition
Nosler .308 Winchester 168 Grain Custom Competition Brass Cased Centerfire Rifle Ammunition
(6)
As Low As (Save Up to 19%)
$55.79
$2.13 - $2.79/Round
See all 3 models
Nosler .308 Winchester 125 Grain Ballistic Tip Brass Cased Centerfire Rifle Ammunition
Nosler .308 Winchester 125 Grain Ballistic Tip Brass Cased Centerfire Rifle Ammunition
(1)
As Low As (Save Up to 33%)
$53.59
$2.54 - $2.68/Round
See all 2 models
Best Rated
Sellier & Bellot 6.5 Creedmoor 140 Grain Soft Point Rifle Ammo, 20 Rounds, SB65C
Sellier & Bellot 6.5 Creedmoor 140 Grain Soft Point Rifle Ammo, 20 Rounds, SB65C
(8)
List: $26.65 (Save 17%)
$21.99
$1.10/Round
Next

Ammo Boxes

1–12 / 12
Previous
Berry's Manufacturing Ammo Box #009 243/6.5/308, Clear/Black Polypropylene 100RD, Polypropylene, 25338
Berry's Manufacturing Ammo Box #009 243/6.5/308, Clear/Black Polypropylene 100RD, Polypropylene, 25338
$7.76
MTM H50 Ammunition Box .22-250 to .308 Winchester Blue
MTM H50 Ammunition Box .22-250 to .308 Winchester Blue
(2)
List: $21.51 (Save 30%)
$14.99
MTM Deluxe Ammo Box 100 Round Handle, 22-250 To .458 Win, Clear/Blue, R-100-24
MTM Deluxe Ammo Box 100 Round Handle, 22-250 To .458 Win, Clear/Blue, R-100-24
(2)
List: $29.49 (Save 28%)
$21.34
MTM RM-100 Rifle Ammo Box .22-250/.308/.243, Clear Green/Black, RM-100-16T
MTM RM-100 Rifle Ammo Box .22-250/.308/.243, Clear Green/Black, RM-100-16T
(2)
List: $12.99 (Save 35%)
$8.49
Best Rated
MTM Case-Gard 50 Round Flip-Top Ammo Box, .243/.308 Win/.220 Swift, Clear Smoke, RM-50-41
MTM Case-Gard 50 Round Flip-Top Ammo Box, .243/.308 Win/.220 Swift, Clear Smoke, RM-50-41
(20)
List: $5.64
$5.49
Best Rated
MTM Case-Gard 50 Rifle Ammo Boxes .22-250 to .308 Green
MTM Case-Gard 50 Rifle Ammo Boxes .22-250 to .308 Green
(6)
List: $5.64
$5.49
MTM Ammo Box 100 Round Flip-Top 22-250 243 308 Win 220 Swift, Clr-Smoke, RM-100-41
MTM Ammo Box 100 Round Flip-Top 22-250 243 308 Win 220 Swift, Clr-Smoke, RM-100-41
(3)
List: $12.99 (Save 35%)
$8.49
Berry's Manufacturing Ammo Box #109 - .243/.308 cal
Berry's Manufacturing Ammo Box #109 - .243/.308 cal
As Low As (Save Up to 46%)
$2.98
See all 4 models
MTM Case-Gard 50 Rifle Ammo Boxes .22-250 To .308, Clear Green/Black, RM-50-16T
MTM Case-Gard 50 Rifle Ammo Boxes .22-250 To .308, Clear Green/Black, RM-50-16T
(3)
List: $5.64
$5.49
MTM Case-Gard 60 .22-250 to .308 Winchester Green
MTM Case-Gard 60 .22-250 to .308 Winchester Green
List: $16.98 (Save 35%)
$10.99
MTM Case-Gard 60 .22-250 to .308 Winchester Red
MTM Case-Gard 60 .22-250 to .308 Winchester Red
(1)
List: $16.86 (Save 35%)
$10.99
Best Rated
MTM RM-100 Rifle Ammo Box .22-250/.308/.243 Green
MTM RM-100 Rifle Ammo Box .22-250/.308/.243 Green
(7)
List: $12.95 (Save 34%)
$8.49
Next

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Image of Primary Weapons Systems MK114 MOD 1-M .223 Wylde, 14.5in bbl Upper Receiver Primary Weapons Systems MK114 MOD 1-M .223 Wylde, 14.5in bbl Upper Receiver (6) List: $1,129.95 (Save $80.00) $1,049.95 Best Rated
Image of Primary Weapons Systems MK114 MOD 1-M .223 Wylde, 14.5in bbl Upper Receiver Primary Weapons Systems MK114 MOD 1-M .223 Wylde, 14.5in bbl Upper Receiver (6) List: $1,129.95 (Save $80.00) $1,049.95 Best Rated
Image of Primary Weapons Systems MK114 MOD 1-M .223 Wylde, 14.5in bbl Upper Receiver Primary Weapons Systems MK114 MOD 1-M .223 Wylde, 14.5in bbl Upper Receiver (6) List: $1,129.95 (Save $80.00) $1,049.95 Best Rated
Image of Primary Weapons Systems MK111 MOD 2-M 20.75in 7.62x39 Upper Receiver Primary Weapons Systems MK111 MOD 2-M 20.75in 7.62x39 Upper Receiver List: $1,399.95 (Save $100.00) $1,299.95

Primary Weapons Systems MK218 MOD1-M 18in bbl Upper Receiver Unavailable & Discontinued Models

List of Unorderable Models

  • DEMO, Primary Weapons Systems MK218 MOD1-M Upper Receiver, 18in bbl, .308 Match, 3-Setting Adjustable Gas System, PRC30 Compensator, Black, M218UC01-1F , MPN: M218UC01-1F-DEMO , Code: 2D5-URC-RG39D-M218UC01-1F-DEMO
  • Primary Weapons Systems MK218 MOD1-M Upper Receiver, 18in bbl, 6.5 Creedmoor, 3-Setting Adjustable Gas System, PRC30 Compensator, Black, M2180UD01-1F , MPN: M2180UD01-1F , UPC: 811154030917 , Code: 2D5-URC-RG39D-M2180UD01-1F
  • Primary Weapons Systems MK218 MOD1-M Upper Receiver, 18in bbl, .308 Match, 3-Setting Adjustable Gas System, PRC30 Compensator, Black, M218UC01-1F , MPN: M218UC01-1F , UPC: 811154031099 , Code: 2D5-URC-RG39D-M218UC01-1F
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