Stag Arms Stag 15L Tactical Pistol 7.5in Nitride Complete Upper Receiver - Flash Hider 5.56 NATO Pistol-Length 7in M-LOK 1-7 Rifled Left FDE

Stag 15 5.56 7.5in Tactical Nitride Upper Receivers - Stag 15 Tactical 7.5" Nitride Upper

Sure, the 5.56 NATO cartridge tends to run better in longer barrels, but there's still plenty of energy from a round fired out of an ultra-compact barrel, and let's be real: there's some serious allure to an ultra-compact AR-style pistol, isn't there?... ... more

Stag 15 5.56 16in Tactical Nitride Upper Receivers - Stag 15 Tactical Nitride Upper

Looking to take your AR-15 to the next level? Maybe you have a dedicated upper receiver designed for a particular task, and you're looking to open up your rifle's capabilities? This Stag Arms Stag-15 Tactical Upper Receiver is an easy swap for your... ... more

Stag 15 5.56 18in 3gun Elite Upper Receivers - Stag 15 3gun Elite Upper

Stag Arms' 15L 3 Gun Elite Upper Receiver has left handed shooters looking for a upper that is southpaw friendly without requiring any tools to get ready for your next competition. The 16.5" Stag 15 M-LOK SL handguard gives you plenty of real estate... ... 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 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 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

Ghost Firearms Complete Upper Receiver Pistol Lower Parts Kit 9mm 7.5in Pistol 4150 Chrome Moly Steel Barrel 1-10 Twist 7in M-LOK Rail A2 Flash Hider

Ghost Firearms Complete Upper Receiver Pistol Lower Parts Kit 9mm 7.5in Pistol 4150 Chrome Moly Steel Barrel 1-10 Twist 7in M-LOK Rail A2 Flash Hider. 5in Complete Upper Receiver w/ Pistol Lower Parts Kit features a 7.5in pistol profile made of 4150... ... more

Ghost Firearms Complete Upper Receiver Pistol Lower Parts Kit 9mm 7.5in Pistol 4150 Chrome Moly Steel Barrel 1-10 Twist 7in M-LOK Rail A2 Flash Hider

Ghost Firearms Complete Upper Receiver Pistol Lower Parts Kit 9mm 7.5in Pistol 4150 Chrome Moly Steel Barrel 1-10 Twist 7in M-LOK Rail A2 Flash Hider. 5in Complete Upper Receiver w/ Pistol Lower Parts Kit features a 7.5in pistol profile made of 4150... ... 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

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

Adams Arms P2 Upper Receiver AARS 5.56/.223 7.5in Heavy Contour Pistol Length 1-7 Twist 1/2-28 Thread MLOK Handguard A2 Flash Hider Black FGAA-01360

Adams Arms P2 Upper Receiver AARS 5.56/.223 7.5in Heavy Contour Pistol Length 1-7 Twist 1/2-28 Thread MLOK Handguard A2 Flash Hider Black FGAA-01360. The P2 model includes an ergonomic free float rail that covers the P-Series Micro Block Adjustable... ... 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

Aero Precision Complete Upper w/ No Forward Assist M4E1-T 5.56 8in 5.56 Pistol Barrel RM7.3 Anodized Black APAR712701M102

Aero Precision Complete Upper w/ No Forward Assist M4E1-T 5.56 8in 5.56 Pistol Barrel RM7.3 Anodized Black APAR712701M102. 56 Complete Upper with Flash Hider w/ No Forward Assist then you've found yourself in the right spot.. These AR15 Upper Receivers... ... more

XTS Complete Upper Receiver w/o BCG AR-15 223/5.56 16.5in 7.5in Pistol 1-7 Twist 1/2x28 Thread M-LOK Bird Cage Black Nitride Finish Silver XTS-CU-7SL

XTS Complete Upper Receiver w/o BCG AR-15 223/5.56 16.5in 7.5in Pistol 1-7 Twist 1/2x28 Thread M-LOK Bird Cage Black Nitride Finish Silver XTS-CU-7SL. 56 16.5in upper comes FULLY ASSEMBLED with a 5.56 NATO barrel capable of shooting both .223 and 5.56.... ... more

XTS Complete Upper Receiver w/o BCG AR-15 223/5.56 16.5in 7.5in Pistol 1-7 Twist 1/2x28 Thread M-LOK Bird Cage Black Nitride Finish Purple XTS-CU-7PP

XTS Complete Upper Receiver w/o BCG AR-15 223/5.56 16.5in 7.5in Pistol 1-7 Twist 1/2x28 Thread M-LOK Bird Cage Black Nitride Finish Purple XTS-CU-7PP. 56 16.5in upper comes FULLY ASSEMBLED with a 5.56 NATO barrel capable of shooting both .223 and 5.56.... ... more

XTS Complete Upper Receiver w/o BCG AR-15 223/5.56 16.5in 7.5in Pistol 1-7 Twist 1/2x28 Thread M-LOK Bird Cage Black Nitride Finish Red XTS-CU-7RD

XTS Complete Upper Receiver w/o BCG AR-15 223/5.56 16.5in 7.5in Pistol 1-7 Twist 1/2x28 Thread M-LOK Bird Cage Black Nitride Finish Red XTS-CU-7RD. 56 16.5in upper comes FULLY ASSEMBLED with a 5.56 NATO barrel capable of shooting both .223 and 5.56.... ... more

XTS Complete Upper Receiver w/o BCG AR-15 223/5.56 16.5in 7.5in Pistol 1-7 Twist 1/2x28 Thread M-LOK Bird Cage Black Nitride Finish Blue XTS-CU-7BL

XTS Complete Upper Receiver w/o BCG AR-15 223/5.56 16.5in 7.5in Pistol 1-7 Twist 1/2x28 Thread M-LOK Bird Cage Black Nitride Finish Blue XTS-CU-7BL. 56 16.5in upper comes FULLY ASSEMBLED with a 5.56 NATO barrel capable of shooting both .223 and 5.56.... ... more

XTS Complete Upper Receiver w/o BCG AR-15 223/5.56 16.5in 7.5in Pistol 1-7 Twist 1/2x28 Thread M-LOK Bird Cage Black Nitride Finish OD Green

XTS Complete Upper Receiver w/o BCG AR-15 223/5.56 16.5in 7.5in Pistol 1-7 Twist 1/2x28 Thread M-LOK Bird Cage Black Nitride Finish OD Green. 56 16.5in upper comes FULLY ASSEMBLED with a 5.56 NATO barrel capable of shooting both .223 and 5.56. These... ... more

XTS Complete Upper Receiver w/o BCG AR-15 223/5.56 16.5in 7.5in Pistol 1-7 Twist 1/2x28 Thread M-LOK Bird Cage Black Nitride Finish Bronze XTS-CU-7BR

XTS Complete Upper Receiver w/o BCG AR-15 223/5.56 16.5in 7.5in Pistol 1-7 Twist 1/2x28 Thread M-LOK Bird Cage Black Nitride Finish Bronze XTS-CU-7BR. 56 16.5in upper comes FULLY ASSEMBLED with a 5.56 NATO barrel capable of shooting both .223 and 5.56.... ... 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

XTS Complete Upper Receiver w/o BCG AR-15 223/5.56 16.5in 7.5in Pistol 1-7 Twist 1/2x28 Thread M-LOK Bird Cage Black Nitride Finish XTS-CU-7BK

XTS Complete Upper Receiver w/o BCG AR-15 223/5.56 16.5in 7.5in Pistol 1-7 Twist 1/2x28 Thread M-LOK Bird Cage Black Nitride Finish XTS-CU-7BK. 56 16.5in upper comes FULLY ASSEMBLED with a 5.56 NATO barrel capable of shooting both .223 and 5.56. These... ... more

Stag Arms AR-15 Tactical Upper Receiver 5.56x45mm NATO 7.5in Barrel GOV-CMV Profile 1-7 Twist 1/2x28 Left Hand VG6 Delta Nitride FDE STAG15111922

Stag Arms AR-15 Tactical Upper Receiver 5.56x45mm NATO 7.5in Barrel GOV-CMV Profile 1-7 Twist 1/2x28 Left Hand VG6 Delta Nitride FDE STAG15111922. The handguard provides an uninterrupted picatinny rail along the top which allows room for sights optics... ... more

Stag Arms AR-15 Tactical Upper Receiver 5.56x45mm NATO 7.5in Barrel GOV-CMV Profile 1-7 Twist 1/2x28 Left Hand VG6 Delta Chromephos Black STAG15110521

Stag Arms AR-15 Tactical Upper Receiver 5.56x45mm NATO 7.5in Barrel GOV-CMV Profile 1-7 Twist 1/2x28 Left Hand VG6 Delta Chromephos Black STAG15110521. 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 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 Tactical Upper Receiver 5.56x45mm NATO 16in Barrel Maryland Compliant Hanson Profile 1-7 Twist 1/2x28 Left Hand VG6 Delta Nitride

Stag Arms AR-15 Tactical Upper Receiver 5.56x45mm NATO 16in Barrel Maryland Compliant Hanson Profile 1-7 Twist 1/2x28 Left Hand VG6 Delta Nitride. The handguard provides an uninterrupted picatinny rail along the top which allows room for sights optics... ... more

Stag Arms AR-15 Tactical Upper Receiver 5.56x45mm NATO 7.5in Barrel GOV-CMV Profile 1-7 Twist 1/2x28 Left Hand VG6 Delta Nitride Black STAG15110522

Stag Arms AR-15 Tactical Upper Receiver 5.56x45mm NATO 7.5in Barrel GOV-CMV Profile 1-7 Twist 1/2x28 Left Hand VG6 Delta Nitride Black STAG15110522. The handguard provides an uninterrupted picatinny rail along the top which allows room for sights... ... more

Aero Precision Complete Upper M4E1-T 5.56 8in Pistol Barrel SM7.3 Cerakote FDE APAR700111M102

Aero Precision Complete Upper M4E1-T 5.56 8in Pistol Barrel SM7.3 Cerakote FDE APAR700111M102. 56 Complete Upper with Flash Hider then you have arrived at the absolute right place.. These AR15 Upper Receivers through the skilled product specialists at... ... more

Aero Precision Complete Upper M4E1-T 5.56 8in Pistol Barrel RM7.3 Cerakote FDE APAR700711M102

Aero Precision Complete Upper M4E1-T 5.56 8in Pistol Barrel RM7.3 Cerakote FDE APAR700711M102. 56 Complete Upper with Flash Hider then you have arrived at the absolute right place.. These AR15 Upper Receivers through the skilled product specialists at... ... more

Grid Defense Complete Upper Receiver .300 Blackout 16 inch Pistol Length 4150 Light HBAR Barrel 1-8 Twist 14 inch M-LOK Rail A2 Flash Hider Tactical

Grid Defense Complete Upper Receiver .300 Blackout 16 inch Pistol Length 4150 Light HBAR Barrel 1-8 Twist 14 inch M-LOK Rail A2 Flash Hider Tactical. 300 Blackout Upper Receiver is an excellent addition to any high-quality AR build. Each of these Grid... ... more

Aero Precision Complete Upper M4E1-T 5.56 8in Pistol Barrel RM7.3 Anodized Black APAR700701M102

Aero Precision Complete Upper M4E1-T 5.56 8in Pistol Barrel RM7.3 Anodized Black APAR700701M102. 56 Complete Upper with Flash Hider then you have arrived at the absolute right place.. These AR15 Upper Receivers through the skilled product specialists... ... more

Aero Precision Complete Upper M4E1-E 5.56 8in Pistol Barrel EM7.3 Anodized Black APAR640269M102

Aero Precision Complete Upper M4E1-E 5.56 8in Pistol Barrel EM7.3 Anodized Black APAR640269M102. 56 Complete Upper with Flash Hider then you have arrived at the absolute right place.. These AR15 Upper Receivers through the skilled product specialists... ... more

DEMO TRYBE Defense Complete Upper Receiver AR-15 5.56x45mm NATO 16in 5R Barrel 1-7 Twist 15in M-LOK Rail A2 Flash Hider BCG and CH Nitride Black

DEMO TRYBE Defense Complete Upper Receiver AR-15 5.56x45mm NATO 16in 5R Barrel 1-7 Twist 15in M-LOK Rail A2 Flash Hider BCG and CH Nitride Black. You need it. If you're ready to enjoy the awesomeness that is an AR Pistol the TRYBE Defense AR-15 16"... ... more

TRYBE Defense Complete Upper Receiver AR-15 5.56x45mm NATO 16in 5R Barrel 1-7 Twist 15in M-LOK Rail A2 Flash Hider BCG and CH Nitride Black UPPER16556

TRYBE Defense Complete Upper Receiver AR-15 5.56x45mm NATO 16in 5R Barrel 1-7 Twist 15in M-LOK Rail A2 Flash Hider BCG and CH Nitride Black UPPER16556. You need it. If you're ready to enjoy the awesomeness that is an AR Pistol the TRYBE Defense AR-15... ... more

Aero Precision Complete Upper M4E1-E 5.56 8in Pistol Barrel EM7.3 Cerakote FDE APAR640270M102

Aero Precision Complete Upper M4E1-E 5.56 8in Pistol Barrel EM7.3 Cerakote FDE APAR640270M102. 56 Complete Upper with Flash Hider then you have arrived at the absolute right place.. These AR15 Upper Receivers through the skilled product specialists at... ... more

Angstadt Arms AR-15 Complete Upper Assembly with Flash Hider 5.56x45mm 16 inch Barrel M4 Profile 1-7 Twist 1/2x28 Black Nitride Black AAUT056016

Angstadt Arms AR-15 Complete Upper Assembly with Flash Hider 5.56x45mm 16 inch Barrel M4 Profile 1-7 Twist 1/2x28 Black Nitride Black AAUT056016. 56/.233 upper receiver assembly with 16 inch barrel and 15 inch hand guard. Ready to run with any AR-15... ... more