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

Faxon Firearms Ascent 350 Legend Complete Upper Receiver - Ascent 350 Legend 16" Complete Upper Rece

FEATURES: Faxon 16" 350 Legend Gunner Profile Barrel Faxon 13" G2 Streamline Aluminum M-Lok Handguard Faxon 5.56 M16 Bolt Carrier Group, Nitrided Faxon Enhanced Forged Upper Receiver A2 Style Flash Hider Mil-spec Charging Handle Mfg: Faxon Firearms ... more

Sig Sauer Mcx-Spear Lt Ar Conversion Kit 7.62x39mm - Mcx-Spear Lt Ar Conversion Kit 7.62x39mm 16" Bl

This complete kit will convert any MIL-SPEC AR-15/M4 Lower into the top-performing MCX-SPEAR LT. Included items: Complete 11.5" or 16" 7.62x39 upper assembly includes our removable 3-prong flash-hider ready to accept our SLH & SLX suppressor systems.... ... more

AIM Sports Inc Complete Rifle Build Kit AR-15 5.56x45mm NATO 16-inch Barrel Mid-Length Gas Tube Low Profile Gas Block Black Hardcoat Anodized Aluminum

AIM Sports Inc Complete Rifle Build Kit AR-15 5.56x45mm NATO 16-inch Barrel Mid-Length Gas Tube Low Profile Gas Block Black Hardcoat Anodized Aluminum. Specifications for AIM Sports Inc 16-inch AR-15 Complete Rifle Build Kit: Manufacturer: AIM Sports... ... more

Daniel Defense Upper Receiver with Flash Hider Assembly MK18 RIII URG 5.56x45mm NATO 19.3 inch 10.3 inch Barrel Government Profile Carbine Length 1-7

Daniel Defense Upper Receiver with Flash Hider Assembly MK18 RIII URG 5.56x45mm NATO 19.3 inch 10.3 inch Barrel Government Profile Carbine Length 1-7. 3 inch Cold Hammer Forged M4 Profile barrel with a Daniel Defense Flash Suppressor a GRIP-N-RIP... ... more

Daniel Defense Upper Receiver with Flash Hider Assembly MK18 RIII URG 5.56x45mm NATO 19.3 inch 10.3 inch Barrel Government Profile Carbine Length 1-7

Daniel Defense Upper Receiver with Flash Hider Assembly MK18 RIII URG 5.56x45mm NATO 19.3 inch 10.3 inch Barrel Government Profile Carbine Length 1-7. 3 inch Cold Hammer Forged M4 Profile barrel with a Daniel Defense Flash Suppressor a GRIP-N-RIP... ... more

Daniel Defense Upper Receiver with Flash Hider Assembly DD4 RIIIS URG 5.56x45mm NATO 20.5 inch 11.5 inch Barrel Government Profile Carbine Length 1-7

Daniel Defense Upper Receiver with Flash Hider Assembly DD4 RIIIS URG 5.56x45mm NATO 20.5 inch 11.5 inch Barrel Government Profile Carbine Length 1-7. 5 inch Cold Hammer Forged Government Profile barrel with a Daniel Defense Flash Suppressor a... ... more

Aero Precision M4E1 Mid Barrel Complete Upper Receiver w/Flash Hider AR-15 5.56x45mm NATO 16in Mid Length Barrel 15in Quad Rail Handguard No BCG/CH

Aero Precision M4E1 Mid Barrel Complete Upper Receiver w/Flash Hider AR-15 5.56x45mm NATO 16in Mid Length Barrel 15in Quad Rail Handguard No BCG/CH. 56 Mid Barrel Complete Upper Receiver with Flash Hider is an amazing option. Designed to give you the... ... 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

Angstadt Arms AR-15 Complete Upper Assembly with Flash Hider 9mm Luger 16 inch Barrel M4 Profile 1-10 Twist 1/2x28 Chromoly Black AAUT009016

Angstadt Arms AR-15 Complete Upper Assembly with Flash Hider 9mm Luger 16 inch Barrel M4 Profile 1-10 Twist 1/2x28 Chromoly Black AAUT009016. Ready to run with any 9MM AR-15 dedicated lower receiver. Specifications for Angstadt Arms AR-15 Complete 9mm... ... more

Aero Precision M4E1 Mid Barrel Complete Upper Receiver w/Flash Hider AR-15 5.56x45mm NATO 16in Mid Length Barrel 12in Quad Rail Handguard No BCG/CH

Aero Precision M4E1 Mid Barrel Complete Upper Receiver w/Flash Hider AR-15 5.56x45mm NATO 16in Mid Length Barrel 12in Quad Rail Handguard No BCG/CH. 56 Mid Barrel Complete Upper Receiver with Flash Hider is an amazing option. Designed to give you the... ... 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

Angstadt Arms AR-15 Complete Upper Assembly with Flash Hider 9mm Luger 6 inch Barrel M4 Profile .750 inch 1-10 Twist 1/2x28 Chromoly Black AAUT109006

Angstadt Arms AR-15 Complete Upper Assembly with Flash Hider 9mm Luger 6 inch Barrel M4 Profile .750 inch 1-10 Twist 1/2x28 Chromoly Black AAUT109006. Ready to run with any 9MM AR-15 dedicated lower receiver. Specifications for Angstadt Arms AR-15... ... more

Daniel Defense Upper Receiver with Flash Hider Assembly DD4 RIII URG 5.56x45mm NATO 25 inch 16 inch Barrel Government Profile Mid Length 1-7 Twist

Daniel Defense Upper Receiver with Flash Hider Assembly DD4 RIII URG 5.56x45mm NATO 25 inch 16 inch Barrel Government Profile Mid Length 1-7 Twist. It features a 12.5 inch lightweight RIS III railmodeled after the revolutionary RIS II two-piece... ... more

Angstadt Arms AR-15 Complete Upper Assembly with Flash Hider 9mm Luger 10.5 inch Barrel M4 Profile 1-10 Twist 1/2x28 Chromoly Black AAUT109105

Angstadt Arms AR-15 Complete Upper Assembly with Flash Hider 9mm Luger 10.5 inch Barrel M4 Profile 1-10 Twist 1/2x28 Chromoly Black AAUT109105. Ready to run with any 9MM AR-15 dedicated lower receiver. Specifications for Angstadt Arms AR-15 Complete... ... more

Aero Precision M4E1 Mid Barrel Complete Upper Receiver w/Flash Hider AR-15 5.56x45mm NATO 16in Mid Length Barrel 12in M-LOK Handguard No BCG/CH Magpul

Aero Precision M4E1 Mid Barrel Complete Upper Receiver w/Flash Hider AR-15 5.56x45mm NATO 16in Mid Length Barrel 12in M-LOK Handguard No BCG/CH Magpul. 56 Mid Barrel Complete Upper Receiver with Flash Hider is an amazing option. Designed to give you... ... more

POF USA Wonder Upper Receiver Assembly 5.56x45mm NATO 34 in Length 10.5 in Barrel Carbine Length Lo Pro DI Renegade Three-Prong Flash Hider Winter

POF USA Wonder Upper Receiver Assembly 5.56x45mm NATO 34 in Length 10.5 in Barrel Carbine Length Lo Pro DI Renegade Three-Prong Flash Hider Winter. 56 16.5" Barrel Mid?Length Lo Pro DI Gas Block 14.5" Rail. The Wonder Rifle is our answer to a... ... more

POF USA Wonder Upper Receiver Assembly 5.56x45mm NATO 34 in Length 10.5 in Barrel Carbine Length Lo Pro DI Renegade Three-Prong Flash Hider Blue

POF USA Wonder Upper Receiver Assembly 5.56x45mm NATO 34 in Length 10.5 in Barrel Carbine Length Lo Pro DI Renegade Three-Prong Flash Hider Blue. 56 16.5" Barrel Mid?Length Lo Pro DI Gas Block 14.5" Rail. The Wonder Rifle is our answer to a lightweight... ... more

Aero Precision M4E1 Mid Barrel Complete Upper Receiver w/Flash Hider AR-15 5.56x45mm NATO 16in Mid Length Barrel 15in Quad Rail Handguard No BCG/CH

Aero Precision M4E1 Mid Barrel Complete Upper Receiver w/Flash Hider AR-15 5.56x45mm NATO 16in Mid Length Barrel 15in Quad Rail Handguard No BCG/CH. 56 Mid Barrel Complete Upper Receiver with Flash Hider is an amazing option. Designed to give you the... ... more

Faxon Firearms Ascent Upper Receiver with Flash Hider 5.56x45mm NATO 16 inch Barrel SOCOM Profile Mid Length 1-8 Twist 1/2x28 Thread A2 Birdcage Flash

Faxon Firearms Ascent Upper Receiver with Flash Hider 5.56x45mm NATO 16 inch Barrel SOCOM Profile Mid Length 1-8 Twist 1/2x28 Thread A2 Birdcage Flash. 56x45mm NATO Upper Receiver with Flash Hider Assembly was made to function as the ideal item for any... ... more

Angstadt Arms Complete Upper Assembly AR-15 10 in Handguard 10.5 in Barrel A2 Flash Hider Picatinny/M-LOK 1/2x36 Black AAUT009105

Angstadt Arms Complete Upper Assembly AR-15 10 in Handguard 10.5 in Barrel A2 Flash Hider Picatinny/M-LOK 1/2x36 Black AAUT009105. Ready to run with any 9MM AR-15 dedicated lower receiver. Specifications for Angstadt Arms AR-15 Complete 9mm Upper... ... more

Angstadt Arms Complete Upper Assembly AR-15 5.5 in Handguard 6 in Barrel A2 Flash Hider Picatinny/M-LOK 1/2x28 Black AAUDP0906U

Angstadt Arms Complete Upper Assembly AR-15 5.5 in Handguard 6 in Barrel A2 Flash Hider Picatinny/M-LOK 1/2x28 Black AAUDP0906U. Ready to run with any 9MM AR-15 dedicated lower receiver. Specifications for Angstadt Arms AR-15 Complete 9mm Upper... ... more

Angstadt Arms Complete Upper Assembly AR-15 4 in Handguard 4.5 in Barrel A2 Flash Hider Picatinny/M-LOK 1/2x36 Black AAUT009045

Angstadt Arms Complete Upper Assembly AR-15 4 in Handguard 4.5 in Barrel A2 Flash Hider Picatinny/M-LOK 1/2x36 Black AAUT009045. Ready to run with any 9MM AR-15 dedicated lower receiver. Specifications for Angstadt Arms AR-15 Complete 9mm Upper... ... more

Aero Precision M4E1 Mid Barrel Complete Upper Receiver w/Flash Hider AR-15 5.56x45mm NATO 16in Mid Length Barrel 15in M-LOK Handguard No BCG/CH Magpul

Aero Precision M4E1 Mid Barrel Complete Upper Receiver w/Flash Hider AR-15 5.56x45mm NATO 16in Mid Length Barrel 15in M-LOK Handguard No BCG/CH Magpul. 56 Mid Barrel Complete Upper Receiver with Flash Hider is an amazing option. Designed to give you... ... 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

Angstadt Arms Complete Upper Assembly AR-15 4 in Handguard 4.5 in Barrel 3-Lug Muzzle Brake Picatinny/M-LOK 1/2x36 Black AAUT109045

Angstadt Arms Complete Upper Assembly AR-15 4 in Handguard 4.5 in Barrel 3-Lug Muzzle Brake Picatinny/M-LOK 1/2x36 Black AAUT109045. Ready to run with any 9MM AR-15 dedicated lower receiver. Specifications for Angstadt Arms AR-15 Complete 9mm Upper... ... 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

Del-Ton Pre-Ban M4 Carbine Rifle Kit w/Black MLOK Furniture 5.56x45mm NATO 16 in 1-9 Twist Matte Black RKT100-MLOK

Del-Ton Pre-Ban M4 Carbine Rifle Kit w/Black MLOK Furniture 5.56x45mm NATO 16 in 1-9 Twist Matte Black RKT100-MLOK. Available in both 16-inch and 14.5-inch variants this rifle kit includes a complete upper assembly including a chrome moly vanadium... ... more

Del-Ton Pre-Ban M4 Carbine Rifle Kit w/Dark Earth MLOK Furniture 5.56x45mm NATO 16 in 1-9 Twist Matte Black RKT100-MLOKDE

Del-Ton Pre-Ban M4 Carbine Rifle Kit w/Dark Earth MLOK Furniture 5.56x45mm NATO 16 in 1-9 Twist Matte Black RKT100-MLOKDE. Available in both 16-inch and 14.5-inch variants this rifle kit includes a complete upper assembly including a chrome moly... ... more

Del-Ton Pre-Ban M4 Carbine Rifle Kit 5.56x45mm NATO 16 in 1-9 Twist Matte Black RKT100

Del-Ton Pre-Ban M4 Carbine Rifle Kit 5.56x45mm NATO 16 in 1-9 Twist Matte Black RKT100. Available in both 16-inch and 14.5-inch variants this rifle kit includes a complete upper assembly including a chrome moly vanadium (CMV) barrel buttstock with all... ... more

Faxon Firearms Ascent Upper Receiver with Flash Hider 5.56x45mm NATO 10.5 inch Barrel SOCOM Profile Carbine Length 1-8 Twist 1/2x28 Thread A2 Birdcage

Faxon Firearms Ascent Upper Receiver with Flash Hider 5.56x45mm NATO 10.5 inch Barrel SOCOM Profile Carbine Length 1-8 Twist 1/2x28 Thread A2 Birdcage. 5 inch 5.56x45mm NATO Upper Receiver with Flash Hider Assembly then you have come to the ideal... ... more

Del-Ton Pre-Ban M4 Carbine Rifle Kit w/OD Green MLOK Furniture 5.56x45mm NATO 16 in 1-9 Twist Matte Black RKT100-MLOKOD

Del-Ton Pre-Ban M4 Carbine Rifle Kit w/OD Green MLOK Furniture 5.56x45mm NATO 16 in 1-9 Twist Matte Black RKT100-MLOKOD. Available in both 16-inch and 14.5-inch variants this rifle kit includes a complete upper assembly including a chrome moly vanadium... ... more

Angstadt Arms AR-9 Upper Receiver Assembly Kits 9mm Luger 16 inch Barrel M4 Profile 1-10 Twist 1/2x36 Chromoly Black AAUDP09X0R

Angstadt Arms AR-9 Upper Receiver Assembly Kits 9mm Luger 16 inch Barrel M4 Profile 1-10 Twist 1/2x36 Chromoly Black AAUDP09X0R. Kit includes 16 inch 9mm barrel 15 inch handguard and B5 Bravo Stock. Ready to install on any mil-spec upper receiver.... ... more

Del-Ton Pre-Ban M4 Carbine Rifle Kit 5.56x45mm NATO 14.5 in 1-9 Twist Matte Black RKT109

Del-Ton Pre-Ban M4 Carbine Rifle Kit 5.56x45mm NATO 14.5 in 1-9 Twist Matte Black RKT109. Available in both 16-inch and 14.5-inch variants this rifle kit includes a complete upper assembly including a chrome moly vanadium (CMV) barrel buttstock with... ... more

Aero Precision AR-15 Complete Upper Receiver 5.56 Mid-Length 16 inch Barrel w/Pinned FSB Magpul MOE SL Handguard A2 Flash Hider Anodized Black

Aero Precision AR-15 Complete Upper Receiver 5.56 Mid-Length 16 inch Barrel w/Pinned FSB Magpul MOE SL Handguard A2 Flash Hider Anodized Black. These AR15 Upper Receivers from the innovators at Aero Precision feature a 5.56 barrel that is chambered for... ... more

Aero Precision AR-15 Complete Upper Receiver 5.56 Mid-Length 16 inch Barrel w/Pinned FSB Magpul MOE Handguard A2 Flash Hider Anodized Black

Aero Precision AR-15 Complete Upper Receiver 5.56 Mid-Length 16 inch Barrel w/Pinned FSB Magpul MOE Handguard A2 Flash Hider Anodized Black. 56 Rifle Length Barrel w/ Pinned FSB and Magpul MOE Rifle Length Handguard Specifications for Aero Precision... ... more

Radical Firearms Complete Upper Assembly 16 inch 300 AAC HBAR Contour 15 inch MHR A2 Flash Hider w/BCG and CH Black CFU16-300HBAR-15MHR

Radical Firearms Complete Upper Assembly 16 inch 300 AAC HBAR Contour 15 inch MHR A2 Flash Hider w/BCG and CH Black CFU16-300HBAR-15MHR. 62x39 is a MIL-STD upper ready to drop on any MIL-STD lower Receiver. Perfect for the novice or advanced shooter... ... 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