Rosco Manufacturing K9 Greenline Sauce Pack 5.56 13.95 inch 1-7 Twist 1/2 x 28 Thread Mid-length Black Nitride SPK91395556BCGGTMNGB001

Stag Arms AR-15 Tactical Left Hand Upper Receiver 5.56 NATO 16in Barrel Hanson Profile 1-7 Twist 1/2 x 28 Thread VG6 Delta Nitride Black STAG15110142

Stag Arms AR-15 Tactical Left Hand Upper Receiver 5.56 NATO 16in Barrel Hanson Profile 1-7 Twist 1/2 x 28 Thread VG6 Delta Nitride Black STAG15110142. The handguard provides an uninterrupted picatinny rail along the top which allows room for sights... ... more

Stag Arms AR-15 Tactical Right Hand Upper Receiver 5.56 NATO 16in Barrel Maryland Compliant Hanson Profile 1-7 Twist 1/2 x 28 Thread VG6 Delta Nitride

Stag Arms AR-15 Tactical Right Hand Upper Receiver 5.56 NATO 16in Barrel Maryland Compliant Hanson Profile 1-7 Twist 1/2 x 28 Thread VG6 Delta Nitride. The handguard provides an uninterrupted picatinny rail along the top which allows room for sights... ... more

Stag Arms AR-15 Upper Right Hand Receiver 5.56 NATO 16in Barrel NJ Compliant M4 Profile 1-7 Twist 1/2 x 28 Thread Compensator Black STAG15101113

Stag Arms AR-15 Upper Right Hand Receiver 5.56 NATO 16in Barrel NJ Compliant M4 Profile 1-7 Twist 1/2 x 28 Thread Compensator Black STAG15101113. Made to mil-spec standards this upper satisfies the need for a standard GI carbine. Featuring a 5.56x45mm... ... more

Stag Arms AR-15 Retro Right Hand Upper Receiver 5.56 NATO 20in Barrel GOV Profile 1-7 Twist 1/2 x 28 Thread A2 Birdcage Flash Hider Black STAG15101011

Stag Arms AR-15 Retro Right Hand Upper Receiver 5.56 NATO 20in Barrel GOV Profile 1-7 Twist 1/2 x 28 Thread A2 Birdcage Flash Hider Black STAG15101011. Made to mil-spec standards with a removable A3 carry handle and a rifle length thermoplastic... ... more

Stag Arms AR-15 Tactical Right Hand Upper Receiver 5.56 NATO 7.5in Barrel GOV-CMV Profile 1-7 Twist 1/2 x 28 Thread VG6 Delta Chromephos FDE

Stag Arms AR-15 Tactical Right Hand Upper Receiver 5.56 NATO 7.5in Barrel GOV-CMV Profile 1-7 Twist 1/2 x 28 Thread VG6 Delta Chromephos FDE. The handguard provides an uninterrupted picatinny rail along the top which allows room for sights optics and... ... more

Stag Arms AR-15 Tactical Right Hand Upper Receiver 5.56 NATO 10.5in Barrel GOV-CMV Profile 1-7 Twist 1/2 x 28 Thread VG6 Delta FDE STAG15101722

Stag Arms AR-15 Tactical Right Hand Upper Receiver 5.56 NATO 10.5in Barrel GOV-CMV Profile 1-7 Twist 1/2 x 28 Thread VG6 Delta FDE STAG15101722. The handguard provides an uninterrupted picatinny rail along the top which allows room for sights optics... ... more

Stag Arms AR-15 Tactical Right Hand Upper Receiver 5.56 NATO 7.5in Barrel GOV-CMV Profile 1-7 Twist 1/2 x 28 Thread VG6 Delta Nitride FDE STAG15101922

Stag Arms AR-15 Tactical Right Hand Upper Receiver 5.56 NATO 7.5in Barrel GOV-CMV Profile 1-7 Twist 1/2 x 28 Thread VG6 Delta Nitride FDE STAG15101922. The handguard provides an uninterrupted picatinny rail along the top which allows room for sights... ... more

Aero Precision M4E1-T SM15 PRO Complete Upper 5.56 x 45 16.3inch Mid Length 1-7 Twist 1/2 x 28 Thread Anodized Kodiak Brown APUG700392M103-1

Aero Precision M4E1-T SM15 PRO Complete Upper 5.56 x 45 16.3inch Mid Length 1-7 Twist 1/2 x 28 Thread Anodized Kodiak Brown APUG700392M103-1. 56 Cold Hammer Forged Barrel that is paired with our PRO 5.56 BCG. Included ATLAS R-ONE Handguard BREACH... ... more

Rosco Manufacturing K9 Sage Dynamics Rifle Barrel 5.56 1-7 Twist 12.5in 1/2 x 28 Thread Black Nitire K9-125-HY-SAGE-556-7-PT

Rosco Manufacturing K9 Sage Dynamics Rifle Barrel 5.56 1-7 Twist 12.5in 1/2 x 28 Thread Black Nitire K9-125-HY-SAGE-556-7-PT. 5 offers a proprietary patrol length gas system that is smoother than carbine length more reliable than mid-length. Features... ... more

Aero Precision Complete Upper Receiver M4E1 Threaded PRO 5.56 13.7in 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 13.7in 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

Stag Arms AR-15 Upper Right Hand Receiver 5.56 NATO 16in Barrel M4 Profile 1-7 Twist 1/2 x 28 Thread A2 Birdcage Flash Hider Black STAG15101111

Stag Arms AR-15 Upper Right Hand Receiver 5.56 NATO 16in Barrel M4 Profile 1-7 Twist 1/2 x 28 Thread A2 Birdcage Flash Hider Black STAG15101111. Made to mil-spec standards this upper satisfies the need for a standard GI carbine. Featuring a 5.56x45mm... ... more

Stag Arms AR-15 Upper Left Hand Receiver 5.56 NATO 16in Barrel Maryland Compliant HBAR Profile 1-7 Twist 1/2 x 28 Thread A2 Birdcage Flash Hider Black

Stag Arms AR-15 Upper Left Hand Receiver 5.56 NATO 16in Barrel Maryland Compliant HBAR Profile 1-7 Twist 1/2 x 28 Thread A2 Birdcage Flash Hider Black. Made to mil-spec standards this upper satisfies the need for a standard GI carbine. Featuring a... ... more

DEMO Stag Arms AR-15 Retro Right Hand Upper Receiver 5.56 NATO 20in Barrel NJ Compliant GOV Profile 1-7 Twist 1/2 x 28 Thread Compensator Black

DEMO Stag Arms AR-15 Retro Right Hand Upper Receiver 5.56 NATO 20in Barrel NJ Compliant GOV Profile 1-7 Twist 1/2 x 28 Thread Compensator Black. Made to mil-spec standards with a removable A3 carry handle and a rifle length thermoplastic handguard with... ... more

Stag Arms AR-15 Tactical Right Hand Upper Receiver 5.56 NATO 16in Barrel Hanson Profile 1-7 Twist 1/2 x 28 Thread VG6 Gamma Black STAG15100144

Stag Arms AR-15 Tactical Right Hand Upper Receiver 5.56 NATO 16in Barrel Hanson Profile 1-7 Twist 1/2 x 28 Thread VG6 Gamma Black STAG15100144. The handguard provides an uninterrupted picatinny rail along the top which allows room for sights optics 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

Aero Precision M4E1-T RM10.3 Complete Upper 5.56 x 45 12.5inch Government Carbine 1-7 Twist 1/2 x 28 Thread Cerakote FDE APAR700713M30

Aero Precision M4E1-T RM10.3 Complete Upper 5.56 x 45 12.5inch Government Carbine 1-7 Twist 1/2 x 28 Thread Cerakote FDE APAR700713M30. 3 5.56 x 45 Complete Upper. Established using several of the most durable and long lasting materials in existence... ... more

Aero Precision M4E1-E EM15 Complete Upper 5.56 x 45 16inch HBAR Mid Length 1-7 Twist 1/2 x 28 Thread Cerakote FDE APAR600294M97

Aero Precision M4E1-E EM15 Complete Upper 5.56 x 45 16inch HBAR Mid Length 1-7 Twist 1/2 x 28 Thread Cerakote FDE APAR600294M97. 56 x 45 Complete Upper was created in order to be the ideal product for any person trying to find a top quality option..... ... more

Aero Precision M4E1-E EQ15 Complete Upper 5.56 x 45 16inch HBAR Mid Length 1-7 Twist 1/2 x 28 Thread Anodized Black APAR600206Q97

Aero Precision M4E1-E EQ15 Complete Upper 5.56 x 45 16inch HBAR Mid Length 1-7 Twist 1/2 x 28 Thread Anodized Black APAR600206Q97. 56 x 45 Complete Upper then you have arrived at the right place.. These AR15 Upper Receivers through the professional... ... more

Aero Precision M4E1-E EQ15 Complete Upper 5.56 x 45 16inch HBAR Mid Length 1-7 Twist 1/2 x 28 Thread Cerakote FDE APAR600224Q97

Aero Precision M4E1-E EQ15 Complete Upper 5.56 x 45 16inch HBAR Mid Length 1-7 Twist 1/2 x 28 Thread Cerakote FDE APAR600224Q97. 56 x 45 Complete Upper then you have arrived at the right place.. These AR15 Upper Receivers through the professional... ... more

Rosco Manufacturing K9 Sauce Pack Rifle Barrel 5.56mm Patrol 12.5 inch 1-7 Twist 1/2x28 Thread Nitride Black SP-K9-125-556-BCG-GTS-NGB-000

Rosco Manufacturing K9 Sauce Pack Rifle Barrel 5.56mm Patrol 12.5 inch 1-7 Twist 1/2x28 Thread Nitride Black SP-K9-125-556-BCG-GTS-NGB-000. The result is a hand-picked list of parts that will produce results right out of the box. All parts within these... ... more

Stag Arms AR-15 Upper Right Hand Receiver 5.56 NATO 16in Barrel Maryland Compliant HBAR Profile 1-7 Twist 1/2 x 28 Thread A2 Birdcage Flash Hider

Stag Arms AR-15 Upper Right Hand Receiver 5.56 NATO 16in Barrel Maryland Compliant HBAR Profile 1-7 Twist 1/2 x 28 Thread A2 Birdcage Flash Hider. Made to mil-spec standards this upper satisfies the need for a standard GI carbine. Featuring a 5.56x45mm... ... more

Stag Arms AR-15 Retro Right Hand Upper Receiver 5.56 NATO 20in Barrel NJ Compliant GOV Profile 1-7 Twist 1/2 x 28 Thread Compensator Black

Stag Arms AR-15 Retro Right Hand Upper Receiver 5.56 NATO 20in Barrel NJ Compliant GOV Profile 1-7 Twist 1/2 x 28 Thread Compensator Black. Made to mil-spec standards with a removable A3 carry handle and a rifle length thermoplastic handguard with... ... more

Stag Arms AR-15 Retro Left Hand Upper Receiver 5.56 NATO 20in Barrel NJ Compliant GOV Profile 1-7 Twist 1/2 x 28 Thread Compensator Black STAG15111013

Stag Arms AR-15 Retro Left Hand Upper Receiver 5.56 NATO 20in Barrel NJ Compliant GOV Profile 1-7 Twist 1/2 x 28 Thread Compensator Black STAG15111013. Made to mil-spec standards with a removable A3 carry handle and a rifle length thermoplastic... ... more

Aero Precision M4E1-T SM10.3 5 Complete Upper 5.56 x 45 12.5inch Government Carbine 1-7 Twist 1/2 x 28 Thread Anodized Black APAR700103M30

Aero Precision M4E1-T SM10.3 5 Complete Upper 5.56 x 45 12.5inch Government Carbine 1-7 Twist 1/2 x 28 Thread Anodized Black APAR700103M30. 3 5.56 x 45 Complete Upper then you've found yourself in the absolute right location.. These AR15 Upper... ... more

Aero Precision M4E1-T RM10.3 Complete Upper 5.56 x 45 12.5inch Government Carbine 1-7 Twist 1/2 x 28 Thread Anodized Black APAR700703M30

Aero Precision M4E1-T RM10.3 Complete Upper 5.56 x 45 12.5inch Government Carbine 1-7 Twist 1/2 x 28 Thread Anodized Black APAR700703M30. 3 5.56 x 45 Complete Upper. Established using several of the most durable and long lasting materials in existence... ... more

Aero Precision M4E1-T SM15 Complete Upper 5.56 x 45 16inch HBAR Mid Length 1-7 Twist 1/2 x 28 Thread Cerakote FDE APAR700115M97

Aero Precision M4E1-T SM15 Complete Upper 5.56 x 45 16inch HBAR Mid Length 1-7 Twist 1/2 x 28 Thread Cerakote FDE APAR700115M97. Specifications for Aero Precision M4E1-T SM15 5.56 x 45 Complete Upper: Manufacturer: Aero Precision Cartridge: 5.56x45mm... ... more

Stag Arms AR-15 Tactical Right Hand Upper Receiver 5.56 NATO 7.5in Barrel GOV-CMV Profile 1-7 Twist 1/2 x 28 Thread VG6 Delta Nitride Black

Stag Arms AR-15 Tactical Right Hand Upper Receiver 5.56 NATO 7.5in Barrel GOV-CMV Profile 1-7 Twist 1/2 x 28 Thread VG6 Delta Nitride Black. The handguard provides an uninterrupted picatinny rail along the top which allows room for sights optics and... ... more

Rosco Manufacturing K9 Kinetic Consulting Rifle Barrel 5.56mm Patrol 11.5 inch 1-7 Twist 1/2x28 Thread Nitride Black K9-115-HY-SAGE-556-7-PT

Rosco Manufacturing K9 Kinetic Consulting Rifle Barrel 5.56mm Patrol 11.5 inch 1-7 Twist 1/2x28 Thread Nitride Black K9-115-HY-SAGE-556-7-PT. 5 offers a proprietary patrol length gas system that is smoother than carbine length more reliable than... ... more

Faxon Firearms Ascent Upper Receiver with Flash Hider 22 ARC 16 inch Barrel Gunner Profile Rifle Length 1-7 Twist 1/2 x 28 Thread A2 Birdcage Flash

Faxon Firearms Ascent Upper Receiver with Flash Hider 22 ARC 16 inch Barrel Gunner Profile Rifle Length 1-7 Twist 1/2 x 28 Thread A2 Birdcage Flash. The 22 ARC was engineered to use modern high-BC bullets. Designing the cartridge and chamber in unison... ... more

Ballistic Advantage Logic Series Barrel 5.56x45 16 inch Hanson Midlength 1-7 Twist 1/2 x 28 Thread Anodized Black BAUR10006

Ballistic Advantage Logic Series Barrel 5.56x45 16 inch Hanson Midlength 1-7 Twist 1/2 x 28 Thread Anodized Black BAUR10006. 9" 5.56 BA Hanson Midlength W/12" AR15 ATLAS R-One M-LOK Handguard Complete Upper Specifications for Ballistic Advantage Logic... ... more

Ballistic Advantage Logic Series Barrel 5.56x45 13.9 inch Hanson Midlength 1-7 Twist 1/2 x 28 Thread Anodized Black BAUR10005

Ballistic Advantage Logic Series Barrel 5.56x45 13.9 inch Hanson Midlength 1-7 Twist 1/2 x 28 Thread Anodized Black BAUR10005. 9" 5.56 BA Hanson Midlength W/12" AR15 ATLAS R-One M-LOK Handguard Complete Upper Specifications for Ballistic Advantage... ... more

Ballistic Advantage Logic Series Barrel 5.56x45 10.3 inch Hanson Carbine 1-7 Twist 1/2 x 28 Thread Anodized Black BAUR10002

Ballistic Advantage Logic Series Barrel 5.56x45 10.3 inch Hanson Carbine 1-7 Twist 1/2 x 28 Thread Anodized Black BAUR10002. 9" 5.56 BA Hanson Midlength W/12" AR15 ATLAS R-One M-LOK Handguard Complete Upper Specifications for Ballistic Advantage Logic... ... more

Ballistic Advantage Logic Series Barrel 5.56x45 11.3 inch Hanson Carbine 1-7 Twist 1/2 x 28 Thread Anodized Black BAUR10003

Ballistic Advantage Logic Series Barrel 5.56x45 11.3 inch Hanson Carbine 1-7 Twist 1/2 x 28 Thread Anodized Black BAUR10003. 9" 5.56 BA Hanson Midlength W/12" AR15 ATLAS R-One M-LOK Handguard Complete Upper Specifications for Ballistic Advantage Logic... ... more

Faxon Firearms Ascent Upper Receiver with Flash Hider 22 ARC 24 inch Barrel Heavy Fluted Profile Rifle Length 1-7 Twist 1/2 x 28 Thread A2 Birdcage

Faxon Firearms Ascent Upper Receiver with Flash Hider 22 ARC 24 inch Barrel Heavy Fluted Profile Rifle Length 1-7 Twist 1/2 x 28 Thread A2 Birdcage. The 22 ARC was engineered to use modern high-BC bullets. Designing the cartridge and chamber in unison... ... more