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Stag Arms AR-15 Upper Left Hand Receiver 5.56 NATO 16in Barrel NJ Compliant M4 Profile1-7 Twist 1/2 x 28 Thread Compensator Black STAG15111113

$649.99

V Seven Harbinger 308 Sbr Complete Upper 11.5in 11.5HAR 308SBR-UR

$1939.00

Blackout Defense Complete Dual Taper Lock .300 AAC Upper Receiver Group Slick Side 14.5in Pistol Grey URGDTL300BLK14.5SLKGRY

$1554.98

Spikes Tactical Upper 5.56 16in CHF Midlength w/ 12in BAR2 Rail Black STU5435-R2S

$876.00

Bear Creek Arsenal BC-15 .300AAC 16in Upper Receiver Heavy Carbine 1-8 1/2x28 Flash Hider 416R ODG UAFC4024300CHB1618SS15ODGSR

$341.03

Dark Storm Industries DS-15 AR-15 .300 AAC Blackout 16 inch Upper Receiver Pistol Length 1-8 Twist Non Threaded FDE DSI-UC5-MOE-N3-FDX

$679.00

FightLite Mission Configurable Rifle AR-15/M16 5.56x45mm NATO 12.5 inch Upper Receiver Assembly 1-7 Twist 1/2x28 Threads Manganese Phosphate Finish

$6399.00

Bear Creek Arsenal BC15 5.56 NATO 16in Right Upper Receiver M4 Carbine 1-8 1/2x28 Flash Hide Nitride Tungsten UASCC5047556CM41618MHF15TNGSR

$336.10

Outerwild AR15 Complete Premium Upper Receiver Billet .223 Wylde 16in 1-7 Twist 15in M-LOK Handguard Black Anodize 4027-3410-025-O

$689.95

XTS Complete Upper Receiver w/o BCG AR-15 300 BO 19.5in 10.5in Pistol 1-8 Twist 5/8x24 Thread M-LOK Bird Cage Black Nitride Finish Silver XTSCUBO10SL

$339.99

Aero Precision M4E1 Complete Upper Receiver 16in 5.56 M4 Carbine Barrel EM-12 HG Gen 2 Anodized Black APAR640231M6

$545.00

Rainier Arms Ruc Pro Mk1 5.56 Nato Partial Upper Receiver Black 11.5 in RA-MK1-11.5-PU-BLK

$575.00

Ghost Firearms Vital Upper Receiver 5.56x45 NATO 10.5 inch Carbine Length 4150 M4 Barrel 1-7 Twist 9 inch M-LOK Free Float Hand Guard A2 Birdcage

$299.00

Heckler & Koch MR762 A4 7.62x51mm NATO 16inch Upper Receiver Medium Contour Short Length 1-10 Twist 5/8x24 Threads Break Black 51001892

$3049.00

HK 51000384 UPPER RECEIVER KIT MR556A4 16.5''

$2499.00

ABC RIFLE COMPANY AR-15 7.62x39mm M-LOK Handguard Complete Pistol Upper Receiver w/BCG And Charging Handle 1-10 Twist 5/8x24 A2 Style Muzzle Brake

$599.99

Ghost Firearms Vital Upper Receiver Pistol Lower Parts Kit 7.62x39 10.5in Carbine Light HBAR Barrel 1-10 Twist 9in M-LOK Freefloat Handguard Blk

$599.00

Spikes Tactical Upper 5.56 16in M4 LE w/7in M-LOK Rail & FSP STU5025-CM7FP

$920.00

Dark Storm Industries DS-15 AR-15 5.56x45mm NATO 16 inch Upper Receiver SOCOM Profile Carbine Length 1-9 Twist Non Threaded FDE DSI-UC5-MOE-N5-FDX

$629.00

Bear Creek Arsenal BC-15 6mm ARC 18in Right Side Upper Receiver Heavy Mid 1-8 5/8x24 Flash Hider Parkerized Tungsten UASCC50356MMAMHB181815TNGSR

$391.68

Showing 481-500 of 273668 item(s)

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Stag Arms AR-15 Upper Left Hand Receiver 5.56 NATO 16in Barrel NJ Compliant M4 Profile1-7 Twist 1/2 x 28 Thread Compensator Black STAG15111113

$649.99

V Seven Harbinger 308 Sbr Complete Upper 11.5in 11.5HAR 308SBR-UR

$1939

Blackout Defense Complete Dual Taper Lock .300 AAC Upper Receiver Group Slick Side 14.5in Pistol Grey URGDTL300BLK14.5SLKGRY

$1554.98

Spikes Tactical Upper 5.56 16in CHF Midlength w/ 12in BAR2 Rail Black STU5435-R2S

$876

Bear Creek Arsenal BC-15 .300AAC 16in Upper Receiver Heavy Carbine 1-8 1/2x28 Flash Hider 416R ODG UAFC4024300CHB1618SS15ODGSR

$341.03

Dark Storm Industries DS-15 AR-15 .300 AAC Blackout 16 inch Upper Receiver Pistol Length 1-8 Twist Non Threaded FDE DSI-UC5-MOE-N3-FDX

$679

FightLite Mission Configurable Rifle AR-15/M16 5.56x45mm NATO 12.5 inch Upper Receiver Assembly 1-7 Twist 1/2x28 Threads Manganese Phosphate Finish

$6399

Bear Creek Arsenal BC15 5.56 NATO 16in Right Upper Receiver M4 Carbine 1-8 1/2x28 Flash Hide Nitride Tungsten UASCC5047556CM41618MHF15TNGSR

$336.1

Outerwild AR15 Complete Premium Upper Receiver Billet .223 Wylde 16in 1-7 Twist 15in M-LOK Handguard Black Anodize 4027-3410-025-O

$689.95

XTS Complete Upper Receiver w/o BCG AR-15 300 BO 19.5in 10.5in Pistol 1-8 Twist 5/8x24 Thread M-LOK Bird Cage Black Nitride Finish Silver XTSCUBO10SL

$339.99

Aero Precision M4E1 Complete Upper Receiver 16in 5.56 M4 Carbine Barrel EM-12 HG Gen 2 Anodized Black APAR640231M6

$545

Rainier Arms Ruc Pro Mk1 5.56 Nato Partial Upper Receiver Black 11.5 in RA-MK1-11.5-PU-BLK

$575

Ghost Firearms Vital Upper Receiver 5.56x45 NATO 10.5 inch Carbine Length 4150 M4 Barrel 1-7 Twist 9 inch M-LOK Free Float Hand Guard A2 Birdcage

$299

Heckler & Koch MR762 A4 7.62x51mm NATO 16inch Upper Receiver Medium Contour Short Length 1-10 Twist 5/8x24 Threads Break Black 51001892

$3049

HK 51000384 UPPER RECEIVER KIT MR556A4 16.5''

$2499

ABC RIFLE COMPANY AR-15 7.62x39mm M-LOK Handguard Complete Pistol Upper Receiver w/BCG And Charging Handle 1-10 Twist 5/8x24 A2 Style Muzzle Brake

$599.99

Ghost Firearms Vital Upper Receiver Pistol Lower Parts Kit 7.62x39 10.5in Carbine Light HBAR Barrel 1-10 Twist 9in M-LOK Freefloat Handguard Blk

$599

Spikes Tactical Upper 5.56 16in M4 LE w/7in M-LOK Rail & FSP STU5025-CM7FP

$920

Dark Storm Industries DS-15 AR-15 5.56x45mm NATO 16 inch Upper Receiver SOCOM Profile Carbine Length 1-9 Twist Non Threaded FDE DSI-UC5-MOE-N5-FDX

$629

Bear Creek Arsenal BC-15 6mm ARC 18in Right Side Upper Receiver Heavy Mid 1-8 5/8x24 Flash Hider Parkerized Tungsten UASCC50356MMAMHB181815TNGSR

$391.68

Showing 481-500 of 273668 item(s)

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