Evolve Weapons Systems Assembled Upper Receiver 12.5in Patrol Gas System M-LOK Handguard Black EWS-UAM-12P-BLK

Daniel Defense Ddm4v7 16" 5.56mm Nato Upper Receiver Black - Ddm4v7 16" 5.56mm Nato 1-7 Mfr Xs M-Lok

From Daniel Defense, the DDM4v7 Upper Receiver features M-LOK attachment technology in the MFR XS 15" rail. The mid-length gas system provides smooth and reliable cycling under any condition and reduces both perceived recoil and wear on moving parts.... ... more

Evolve Weapons Systems Assembled Upper Receiver 14.5in Mid Length Gas System M-LOK Handguard Black EWS-UAM-14M-BLK

Evolve Weapons Systems Assembled Upper Receiver 14.5in Mid Length Gas System M-LOK Handguard Black EWS-UAM-14M-BLK. 56 Barreled Upper Receivers are crafted for superior performance. The 7075 forged upper receiver comes assembled with a forward assist... ... more

Evolve Weapons Systems Assembled Upper Receiver 16in Mid Length Gas System M-LOK Handguard Black EWS-UAM-16M-BLK

Evolve Weapons Systems Assembled Upper Receiver 16in Mid Length Gas System M-LOK Handguard Black EWS-UAM-16M-BLK. 56 Barreled Upper Receivers are crafted for superior performance. The 7075 forged upper receiver comes assembled with a forward assist and... ... more

Evolve Weapons Systems Complete Upper Receiver 14.5in Mid Length Gas System M-LOK Handguard Black EWS-UCM-14M-BLK

Evolve Weapons Systems Complete Upper Receiver 14.5in Mid Length Gas System M-LOK Handguard Black EWS-UCM-14M-BLK. 56 Complete Upper Receivers are crafted for superior performance. The 7075 forged upper receiver comes assembled with a forward assist... ... more

Evolve Weapons Systems Complete Upper Receiver 11.5in Carbine Gas System M-LOK Handguard Black EWS-UCM-11C-BLK

Evolve Weapons Systems Complete Upper Receiver 11.5in Carbine Gas System M-LOK Handguard Black EWS-UCM-11C-BLK. 56 Complete Upper Receivers are crafted for superior performance. The 7075 forged upper receiver comes assembled with a forward assist and... ... more

Aero Precision Complete Upper Receiver M4E1 Threaded PRO 5.56 12.5in Barrel Gov Profile Mid-Length Gas System 1-7 Twist 1/2 x 28 Thread ATLAS R-ONE

Aero Precision Complete Upper Receiver M4E1 Threaded PRO 5.56 12.5in Barrel Gov Profile Mid-Length Gas System 1-7 Twist 1/2 x 28 Thread ATLAS R-ONE. 56 Cold Hammer Forged Barrel that is paired with our PRO 5.56 BCG. Included ATLAS R-ONE Handguard... ... more

Evolve Weapons Systems Assembled Upper Receiver 16in Mid Length Gas System Quad Rail Black EWS-UAQ-16M-BLK

Evolve Weapons Systems Assembled Upper Receiver 16in Mid Length Gas System Quad Rail Black EWS-UAQ-16M-BLK. 56 Barreled Upper Receivers are crafted for superior performance. The 7075 forged upper receiver comes assembled with a forward assist and dust... ... more

Evolve Weapons Systems Complete Upper Receiver 14.5in Mid Length Gas System Quad Rail Black EWS-UCQ-14M-BLK

Evolve Weapons Systems Complete Upper Receiver 14.5in Mid Length Gas System Quad Rail Black EWS-UCQ-14M-BLK. 56 Complete Upper Receivers are crafted for superior performance. The 7075 forged upper receiver comes assembled with a forward assist and dust... ... more

Evolve Weapons Systems Complete Upper Receiver 16in Mid Length Gas System Quad Rail Black EWS-UCQ-16M-BLK

Evolve Weapons Systems Complete Upper Receiver 16in Mid Length Gas System Quad Rail Black EWS-UCQ-16M-BLK. 56 Complete Upper Receivers are crafted for superior performance. The 7075 forged upper receiver comes assembled with a forward assist and dust... ... more

Primary Weapons Systems MK116 MOD2-M Upper Receiver 16in bbl .223 Wylde 3-Setting Adjustable Gas System FSC556 Compemsator Black 2M116UA01-1F

Primary Weapons Systems MK116 MOD2-M Upper Receiver 16in bbl .223 Wylde 3-Setting Adjustable Gas System FSC556 Compemsator Black 2M116UA01-1F. 1in Barrel Specifications for Primary Weapons Systems MK116 MOD 2-M 16in bbl Upper Receiver: Manufacturer:... ... more

Primary Weapons Systems MK116 MOD1-M Upper Receiver 16 inch Barrel .223 Wylde 3-Setting Adjustable Gas System FSC556 Compensator Matte Black

Primary Weapons Systems MK116 MOD1-M Upper Receiver 16 inch Barrel .223 Wylde 3-Setting Adjustable Gas System FSC556 Compensator Matte Black. 223 Wylde Upper Receiver. As a rifle-length upper receiver it is effective at short- medium- and even slightly... ... more

LWRCI Complete Di Upper Receiver SPR 5.56mm 16 inch Barrel 1-7 Twist Extended M-LOK Handguard Black 16in ICU5B16SPR

LWRCI Complete Di Upper Receiver SPR 5.56mm 16 inch Barrel 1-7 Twist Extended M-LOK Handguard Black 16in ICU5B16SPR. Built on our patented self-regulating short-stroke gas piston system machined from materials that belong to the superalloy family of... ... more

Primary Weapons Systems MK107 MOD 2-M Upper Receiver 7.62x39 7.75in Pistol Length 1-10 Twist FSC 30 3-Setting Adjustable Gas System Black 2M107UA01-1F

Primary Weapons Systems MK107 MOD 2-M Upper Receiver 7.62x39 7.75in Pistol Length 1-10 Twist FSC 30 3-Setting Adjustable Gas System Black 2M107UA01-1F. 75in 7.62x39 Upper Receiver was created to be the ideally suited product for anyone in need of a... ... more

LWRCI Complete Upper Receiver IC 5.56mm 16 inch Barrel 1-7 Twist Extended M-LOK Handguard Black ICEU5B16

LWRCI Complete Upper Receiver IC 5.56mm 16 inch Barrel 1-7 Twist Extended M-LOK Handguard Black ICEU5B16. Built on our patented self-regulating short-stroke gas piston system machined from materials that belong to the superalloy family of steel alloys... ... more

Dark Storm Industries DS-15 Typhoon Complete Upper Receiver 5.56 NATO 7.5in Barrel M4 Pistol Profile 1-7 Twist 1/2x28 Thread M-Lok Firestorm Type III

Dark Storm Industries DS-15 Typhoon Complete Upper Receiver 5.56 NATO 7.5in Barrel M4 Pistol Profile 1-7 Twist 1/2x28 Thread M-Lok Firestorm Type III. 750 Micro Gas Block andPistol Gas System DSI 7.5" SOCOM 5.56 Threaded 1:7 Nitrite Barrel andDSI... ... more

Primary Weapons Systems MK114 MOD2-M Upper Receiver .223 Wylde 14.5in bbl No Compensator Black 2M114UA01-2F-NC

Primary Weapons Systems MK114 MOD2-M Upper Receiver .223 Wylde 14.5in bbl No Compensator Black 2M114UA01-2F-NC. 5in Barrel .223 Wylde 3-Setting Adjustable Gas System Specifications for Primary Weapons Systems MK114 MOD 2-M 14.5in bbl .223 Wylde Upper... ... more

Primary Weapons Systems MK111 MOD1-M Upper Receiver .223 Wylde 11.85in bbl Black M111UA01-1F

Primary Weapons Systems MK111 MOD1-M Upper Receiver .223 Wylde 11.85in bbl Black M111UA01-1F. 85in Barrel .223 Wylde 3-Setting Adjustable Gas System Triad556 Specifications for Primary Weapons Systems MK111 MOD1-M .223 Wylde 11.85in bbl Upper Receiver:... ... more

Primary Weapons Systems MK107 MOD 1-M Upper Rceiver 7.62x39 7.75in 1-10 Twist 3-Setting Adjustable Gas System Black M107UF01-1F

Primary Weapons Systems MK107 MOD 1-M Upper Rceiver 7.62x39 7.75in 1-10 Twist 3-Setting Adjustable Gas System Black M107UF01-1F. 75in 7.62x39 Upper Rceiver. These AR15 Upper Receivers from the expert product specialists at Primary Weapons Systems are... ... more

Iron Horse DMR Complete Upper 5.56 NATO Receiver Black IH-CU1

Iron Horse DMR Complete Upper 5.56 NATO Receiver Black IH-CU1. 5in 7075 hand-guard 7075 billet upper proprietary barrel nut and sleeve for maximum accuracy. Chambered in 5.56 Nato 18in Faxon 1-8T barrel w/ rifle length gas system and adjustable gas... ... more

Primary Weapons Systems MK107 MOD1-M Upper Receiver .223 Wylde 7.75in bbl Black M107UA01-1F

Primary Weapons Systems MK107 MOD1-M Upper Receiver .223 Wylde 7.75in bbl Black M107UA01-1F. 75in Barrel .223 Wylde 3-Setting Adjustable Gas System Triad556 Specifications for Primary Weapons Systems MK107 MOD1-M .223 Wylde 7.75in bbl Upper Receiver:... ... more

Jacob Grey Firearms Complete Upper Assembly 5.56 NATO 13in 1-7 Twist 1/2x28 Thread Black 556N13CUA

Jacob Grey Firearms Complete Upper Assembly 5.56 NATO 13in 1-7 Twist 1/2x28 Thread Black 556N13CUA. 56 NATO and built around a 1/7 twist barrel. 7-sided M-LOK Handguard and 7075 Aluminum Upper Receiver. These uppers have a pistol-length gas system that... ... more

Jacob Grey Firearms Complete Upper Assembly 5.56 NATO 10.5in 1-7 Twist 1/2x28 Thread Black 556N105CUA

Jacob Grey Firearms Complete Upper Assembly 5.56 NATO 10.5in 1-7 Twist 1/2x28 Thread Black 556N105CUA. 56 NATO and built around a 1/7 twist barrel. 7-sided M-LOK Handguard and 7075 Aluminum Upper Receiver. These uppers have a pistol-length gas system... ... more

Jacob Grey Firearms Complete Upper Assembly 5.56 NATO 16in 1-7 Twist 1/2x28 Thread Black 556N16CUA

Jacob Grey Firearms Complete Upper Assembly 5.56 NATO 16in 1-7 Twist 1/2x28 Thread Black 556N16CUA. 56 NATO and built around a 1/7 twist barrel. 7-sided M-LOK Handguard and 7075 Aluminum Upper Receiver. These uppers have a pistol-length gas system that... ... more

Jacob Grey Firearms Complete Upper Assembly 5.56 NATO 7.5in 1-7 Twist 1/2x28 Thread Black 556N75CUA

Jacob Grey Firearms Complete Upper Assembly 5.56 NATO 7.5in 1-7 Twist 1/2x28 Thread Black 556N75CUA. 56 NATO and built around a 1/7 twist barrel. 7-sided M-LOK Handguard and 7075 Aluminum Upper Receiver. These uppers have a pistol-length gas system... ... more