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M4 Barrel

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Spikes STU5025-R9S ST-15 LE Carbine Upper 5.56 16" M4 Profile Barrel Quad Rail Black

Spikes STU5025-R9S ST-15 LE Carbine Upper 5.56 16" M4 Profile Barrel Quad Rail Black

…This model features Spike's Tactical 16" with 1:7 Twist Mil-spec Barrel, M4 Barrel Profile, Carbine Length Gas System, ST Micro Gas Block, .750"…

SKU: 122885MPN: STU5025-R9SUPC: 815648021085
Ships in 1 to 2 Days
41V50 Pistol Barrel With M4 Extension Elecroless Nickel Finish

41V50 Pistol Barrel With M4 Extension Elecroless Nickel Finish

…Pistol Barrel With M4 Extension AR type 7.5 inch pistol barrel. Precision, air-gauged barrel is heat-treated, then thermo stress-relieved. Mil-spec M4

SKU: 160180MPN: BAR41V5075ENUPC: 813318020062
Ships in 1 to 2 Days
M4 Profile Threaded Barrel With LPG 5.56mm 14.5 Inch Phosphate Finish

M4 Profile Threaded Barrel With LPG 5.56mm 14.5 Inch Phosphate Finish

M4 Profile Barrel Cold hammer forged M4 Profile barrel. 1:7 inch twist. Chrome Moly Vanadium, Chrome lined with phosphate finish. A4 barrel extension.…

SKU: 163246MPN: 07-075-07157UPC: 815604011884
Ships in 1 to 2 Days
M4 Chrome Lined 4150CMV Barrel Sub-Assembly 5.56mm NATO 14.5 Inch 1/2-28 Threads Phosphate Finish

M4 Chrome Lined 4150CMV Barrel Sub-Assembly 5.56mm NATO 14.5 Inch 1/2-28 Threads Phosphate Finish

CL 4150CMV M4 5.56mm Barrel Sub-Assembly M4 profile chrome-lined, threaded barrel sub-assembly. 4150 chrome moly vanadium with maganese phosphate…

SKU: 158411MPN: 55D9C0AUPC: 815835015286
Ships in 1 to 2 Days
Vector Gen II Carbine 9mm 16 Inch Barrel Defiance M4 Stock Flat Dark Earth 17 Rounds

Vector Gen II Carbine 9mm 16 Inch Barrel Defiance M4 Stock Flat Dark Earth 17 Rounds

…System operating action. Package standard equipment includes Defiance M4 adjustable folding stock, top/bottom Picatinny Rails, ambidextrous fire/safe…

SKU: 144193MPN: KV90-CFD20UPC: 810237023112
Ships in 1 to 2 Days
Vector Gen II Carbine .45ACP 16 Inch Barrel Defiance M4 Stock Flat Dark Earth 13 Rounds

Vector Gen II Carbine .45ACP 16 Inch Barrel Defiance M4 Stock Flat Dark Earth 13 Rounds

…System operating action. Package standard equipment includes Defiance M4 adjustable folding stock, top/bottom Picatinny Rails, ambidextrous fire/safe…

SKU: 144188MPN: KV45-CFD20UPC: 810237023235
Ships in 1 to 2 Days
MAGPUL BEV Barrel Extension Vise BLOCK AR15/M4

MAGPUL BEV Barrel Extension Vise BLOCK AR15/M4

The BEV Block (Barrel Extension Vise) is an all-in-one, compact vise block tool for AR15/M4 assembly operations of barrel nuts, flash hiders, etc.…

SKU: 145233MPN: MAG536UPC: 873750000145
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SRC M4 Profile Complete Upper Receiver 16 Inch Barrel Assembly .223/5.56mm

SRC M4 Profile Complete Upper Receiver 16 Inch Barrel Assembly .223/5.56mm

…Upper Receiver Assembly Sight Ready Carbine M4 barreled upper assembly. Sixteen inch M4 profile barrel is chrome lined and machined from 4150 Chrome…

SKU: 148259MPN: UR16M4FTBUPC: 848037000149
Ships in 1 to 2 Days
SRC M4 Profile Complete Upper Receiver 16 Inch Barrel Assembly With Muzzle Brake .223/5.56mm

SRC M4 Profile Complete Upper Receiver 16 Inch Barrel Assembly With Muzzle Brake .223/5.56mm

…Upper Receiver Assembly Sight Ready Carbine M4 barreled upper assembly. Sixteen inch M4 profile barrel is chrome lined and machined from 4150 Chrome…

SKU: 162668MPN: UR16M4FTPBBUPC: 848037003225
Ships in 1 to 2 Days
MPC M4 Profile Complete Upper Receiver 16 Inch Barrel Assembly With Muzzle Brake .223/5.56mm

MPC M4 Profile Complete Upper Receiver 16 Inch Barrel Assembly With Muzzle Brake .223/5.56mm

M4 Profile Complete Upper Receiver Assembly M4 barreled upper assembly is complete and ready to snap onto your lower. Sixteen inch M4 profile barrel

SKU: 162669MPN: UR16M4LHPBBUPC: 848037005502
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Bushmaster AR-15 M4 A3 Complete Upper w/detach. Carry Handle 5.56/223 16" Barrel

Bushmaster AR-15 M4 A3 Complete Upper w/detach. Carry Handle 5.56/223 16" Barrel

…elevation, charging handle, forward assist, ejection port cover, bolt and bolt carrier assembly. With a 1 in 9" twist, the 16" chrome-lined barrel.

SKU: 128388MPN: 91822UPC: 604206918222
Ships in 1 to 2 Days
CMMG MKW-15 T .458 SOCOM 16.1 Inch Medium Taper Barrel Threaded 5/8-32 TPI RKM15 Handguard Adjustable M4 Style Stock 10 Round

CMMG MKW-15 T .458 SOCOM 16.1 Inch Medium Taper Barrel Threaded 5/8-32 TPI RKM15 Handguard Adjustable M4 Style Stock 10 Round

…Medium taper 416SS barrel with 1:14 inch twist rate. Threaded muzzle 5/8-32 tpi with SV muzzle brake. A2 pistol grip, M4 carbine stock with 6-position…

SKU: 142032MPN: 48A7A84UPC: 815835018041
Ships in 1 to 2 Days