Loading...

45 GAP Upper Receivers

Diamondback Firearms 300P10H50B8R 815875019190

Available to order

$80.00

Diamondback Barrel, 300 Blackout, 10", 1:8 Twist, Black Nitride Finish, Pistol Length Gas System, Threaded 5/8-24" 300P10H50B8R

CMMG 30B0E67-AB 810097509207

Available to order

$1,449.95

CMMG DISSENT, MK4, Complete Upper Receiver, 300 Blackout, 6.5" Threaded Barrel, 5/8x24, CMMG Zeroed Linear Compensator, Cerakote Finish, Armor Black, M-LOK Free Float Handguard, Fits AR-15 Lower Receiver, Includes 1913 Picatinny Rail End Plate 30B0E67-AB

Primary Weapons Systems U2E14YB01-1F 811154031938

Available to order

$499.95

PWS UXR Elite, Conversion Kit, 300 Blackout, 14.5" Barrel, Black, Includes Bolt and Barrel U2E14YB01-1F

Seekins Precision 10120007 811452021136

Available to order

$395.00

Seekins Barrel, 300 Blackout, 10.5", Black Finish, Stainless, Match Grade, 5R Rifling, 1:7 Twist 10120007

Seekins Precision 10120003 811452021112

Available to order

$395.00

Seekins Barrel, 300 Blackout, 8", Black Finish, Stainless, Match Grade, 5R Rifling, 1:7 Twist 10120003

Noveske 07000034 840906104453

Available to order

$340.00

Noveske Barrel, 300 AAC Blackout, 10.5", 1:7 Twist, For AR-15, Pistol Length Gas System, Pinned Gas Block and Gas Tube, Stainless 07000034

Lantac LA00241 640117876640

Available to order

$265.37

Lantac Raven, 300 Blackout, 14.5" Barrel, Fits AR-15, Anodized Finish, 1:8 Twist, 5/8-24 Threads, Pistol Length Gas System, Black LA00241

Lantac LA00239 640117876633

Available to order

$247.07

Lantac Raven, 300 Blackout, 11.5" Barrel, Fits AR-15, Anodized Finish, 1:8 Twist, 5/8-24 Threads, Pistol Length Gas System, Black LA00239

Primary Weapons Systems UXR-CK-300BLK-14 811154032935

Available to order

$499.95

PWS UXR Elite, Conversion Kit, 300 Blackout, 14.5" Barrel, Black, Includes Bolt and Barrel UXR-CK-300BLK-14

Primary Weapons Systems MK1-M2U-300BLK-9 811154033192

Available to order

$1,356.00

PWS MK109, MOD 2-M, Upper Receiver, Fits AR-15, 300 Blackout, 9.75" Barrel, 1:8" Twist, PWS Triad Muzzle Device, 8.9" PWS PicLok MLOK Handguard, Anodized Finish, Black, Includes Radian Raptor Ambidextrous Charging Handle MK1-M2U-300BLK-9

Primary Weapons Systems MK1-M1U-300BLK-9 811154033451

Available to order

$1,053.00

PWS MK109 MOD 1-M, Upper Receiver, Fits AR-15, 300 Blackout, 9.75" Barrel, 1:8" Twist, PWS Triad Muzzle Device, 8.9" PWS PicLok MLOK Handguard, Anodized Finish, Black, Includes Radian Raptor Ambidextrous Charging Handle MK1-M1U-300BLK-9

Lantac LA00242 640117876657

Available to order

$274.52

Lantac Raven, 300 Blackout, 16" Barrel, Fits AR-15, Anodized Finish, 1:8 Twist, 5/8-24 Threads, Pistol Length Gas System, Black LA00242