Stag Arms AR-15 Tactical Upper Receiver 5.56x45mm NATO 16in Barrel Hanson Profile 1-7 Twist 1/2x28 Left Hand VG6 Gamma Black STAG15110144

OP Exclusive Moriarti AR-15 Pencil Upper Receiver Assembly 5.56x45mm NATO 16in Mid M-LOK 1-7 Twist 1/2x28 Thread Diamond Cut Free-Float Handgrd Tri

OP Exclusive Moriarti AR-15 Pencil Upper Receiver Assembly 5.56x45mm NATO 16in Mid M-LOK 1-7 Twist 1/2x28 Thread Diamond Cut Free-Float Handgrd Tri. 56 NATO 16in Diamond Cut 12in MLOK Upper Assembly/Triport was created in order to be the ideal product... ... 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

OP Exclusive Moriarti AR-15 Upper Receiver Assembly 5.56x45mm NATO 10.5in Carbine Government M-LOK 1-7 Twist 1/2x28 Diamond Cut Free-Float Handgrd

OP Exclusive Moriarti AR-15 Upper Receiver Assembly 5.56x45mm NATO 10.5in Carbine Government M-LOK 1-7 Twist 1/2x28 Diamond Cut Free-Float Handgrd. 5in 5.56x45mm NATO Upper Receiver Assembly Tri Port was created in order to function as the best product... ... more

Stag Arms AR-15 Tactical Upper Receiver .300 AAC Blackout 16in Barrel Hanson Profile 1-7 Twist 1/2x28 Left Hand VG6 Delta FDE STAG15113002

Stag Arms AR-15 Tactical Upper Receiver .300 AAC Blackout 16in Barrel Hanson Profile 1-7 Twist 1/2x28 Left Hand VG6 Delta FDE STAG15113002. The handguard provides an uninterrupted picatinny rail along the top which allows room for sights optics and... ... more

CMMG DISSENT Upper Receiver Mk4 5.56x45mm NATO 6.5in 1-7 Twist 1/2x28 Thread Zeroed Blast Compensator Charcoal Green 55B9331-CG

CMMG DISSENT Upper Receiver Mk4 5.56x45mm NATO 6.5in 1-7 Twist 1/2x28 Thread Zeroed Blast Compensator Charcoal Green 55B9331-CG. 5 this DISSENT upper group is one of the shortest 5.56mm available to date. Packing all the power of 5.56 in a platform... ... more

Daniel Defense Upper Receiver with Flash Hider Assembly M4A1 RIII URG 5.56x45mm NATO 25 inch 14.5 inch Barrel M4 Profile Mid Length 1-7 Twist 1/2x28

Daniel Defense Upper Receiver with Flash Hider Assembly M4A1 RIII URG 5.56x45mm NATO 25 inch 14.5 inch Barrel M4 Profile Mid Length 1-7 Twist 1/2x28. 5 inch Cold Hammer Forged M4 Profile barrel with a permanently attached Daniel Defense Flash... ... more

CMMG DISSENT Upper Receiver Mk4 5.56x45mm NATO 6.5in 1-7 Twist 1/2x28 Thread Zeroed Blast Compensator Armor Black 55B9331-AB

CMMG DISSENT Upper Receiver Mk4 5.56x45mm NATO 6.5in 1-7 Twist 1/2x28 Thread Zeroed Blast Compensator Armor Black 55B9331-AB. 5 this DISSENT upper group is one of the shortest 5.56mm available to date. Packing all the power of 5.56 in a platform this... ... more

CMMG DISSENT Upper Receiver Mk4 5.56x45mm NATO 6.5in 1-7 Twist 1/2x28 Thread Zeroed Blast Compensator Midnight Bronze 55B9331-MB

CMMG DISSENT Upper Receiver Mk4 5.56x45mm NATO 6.5in 1-7 Twist 1/2x28 Thread Zeroed Blast Compensator Midnight Bronze 55B9331-MB. 5 this DISSENT upper group is one of the shortest 5.56mm available to date. Packing all the power of 5.56 in a platform... ... more

CMMG DISSENT Upper Receiver Mk4 5.56x45mm NATO 6.5in 1-7 Twist 1/2x28 Thread Zeroed Blast Compensator Tungsten 55B9331-TNG

CMMG DISSENT Upper Receiver Mk4 5.56x45mm NATO 6.5in 1-7 Twist 1/2x28 Thread Zeroed Blast Compensator Tungsten 55B9331-TNG. 5 this DISSENT upper group is one of the shortest 5.56mm available to date. Packing all the power of 5.56 in a platform this... ... more

CMMG DISSENT Upper Receiver Mk4 5.56x45mm NATO 6.5in 1-7 Twist 1/2x28 Thread Zeroed Blast Compensator Titanium 55B9331-TI

CMMG DISSENT Upper Receiver Mk4 5.56x45mm NATO 6.5in 1-7 Twist 1/2x28 Thread Zeroed Blast Compensator Titanium 55B9331-TI. 5 this DISSENT upper group is one of the shortest 5.56mm available to date. Packing all the power of 5.56 in a platform this size... ... more

Stag Arms AR-15 Tactical Upper Receiver .300 AAC Blackout 16in Barrel Hanson Profile 1-7 Twist 1/2x28 Right Hand VG6 Delta FDE STAG15103002

Stag Arms AR-15 Tactical Upper Receiver .300 AAC Blackout 16in Barrel Hanson Profile 1-7 Twist 1/2x28 Right Hand VG6 Delta FDE STAG15103002. The handguard provides an uninterrupted picatinny rail along the top which allows room for sights optics and... ... more

CMMG DISSENT Upper Receiver Mk4 5.56x45mm NATO 6.5in 1-7 Twist 1/2x28 Thread Zeroed Blast Compensator Coyote Tan 55B9331-CT

CMMG DISSENT Upper Receiver Mk4 5.56x45mm NATO 6.5in 1-7 Twist 1/2x28 Thread Zeroed Blast Compensator Coyote Tan 55B9331-CT. 5 this DISSENT upper group is one of the shortest 5.56mm available to date. Packing all the power of 5.56 in a platform this... ... more

CMMG DISSENT Upper Receiver Mk4 5.56x45mm NATO 6.5in 1-7 Twist 1/2x28 Thread Zeroed Blast Compensator Sniper Grey 55B9331-SG

CMMG DISSENT Upper Receiver Mk4 5.56x45mm NATO 6.5in 1-7 Twist 1/2x28 Thread Zeroed Blast Compensator Sniper Grey 55B9331-SG. 5 this DISSENT upper group is one of the shortest 5.56mm available to date. Packing all the power of 5.56 in a platform this... ... more

TacFire Unassembled Rifle Build Kit AR-15 5.56x45mm NATO 16in Barrel 15in Handguard 1-8 Twist 1/2x28 A2 Birdcage Black RK556LPK

TacFire Unassembled Rifle Build Kit AR-15 5.56x45mm NATO 16in Barrel 15in Handguard 1-8 Twist 1/2x28 A2 Birdcage Black RK556LPK. With a 1:8 twist rate your new firearm will stabilize everything from 55-grain range ammo to 69 plus grain match... ... more

OP Exclusive Moriarti AR-15 Upper Receiver Assembly 5.56x45mm NATO 10.5in Carbine Government M-LOK 1-7 1/2x28 Diamond Cut Free-Float Handgrd Slanted

OP Exclusive Moriarti AR-15 Upper Receiver Assembly 5.56x45mm NATO 10.5in Carbine Government M-LOK 1-7 1/2x28 Diamond Cut Free-Float Handgrd Slanted. 5in 5.56x45mm NATO Upper Receiver Assembly Slanted Muzzle was made in order to be the best item for... ... more

Daniel Defense Upper Receiver with Flash Hider Assembly M4A1 RIII URG 5.56x45mm NATO 25 inch 14.5 inch Barrel M4 Profile Mid Length 1-7 Twist 1/2x28

Daniel Defense Upper Receiver with Flash Hider Assembly M4A1 RIII URG 5.56x45mm NATO 25 inch 14.5 inch Barrel M4 Profile Mid Length 1-7 Twist 1/2x28. 5 inch Cold Hammer Forged M4 Profile barrel with a permanently attached Daniel Defense Flash... ... more

CMMG DISSENT Upper Receiver Mk4 5.56x45mm NATO 10.5in 1-7 Twist 1/2x28 Thread Zeroed Blast Compensator Armor Black 55B8D86-AB

CMMG DISSENT Upper Receiver Mk4 5.56x45mm NATO 10.5in 1-7 Twist 1/2x28 Thread Zeroed Blast Compensator Armor Black 55B8D86-AB. 5 DISSENT 5.56 is a ton of fun and its rowdy Now that we got that out of our system our ears quit ringing and we arent seeing... ... more

CMMG DISSENT Upper Receiver Mk4 5.56x45mm NATO 10.5in 1-7 Twist 1/2x28 Thread Zeroed Blast Compensator Titanium 55B8D86-TI

CMMG DISSENT Upper Receiver Mk4 5.56x45mm NATO 10.5in 1-7 Twist 1/2x28 Thread Zeroed Blast Compensator Titanium 55B8D86-TI. 5 DISSENT 5.56 is a ton of fun and its rowdy Now that we got that out of our system our ears quit ringing and we arent seeing... ... more

CMMG DISSENT Upper Receiver Mk4 5.56x45mm NATO 10.5in 1-7 Twist 1/2x28 Thread Zeroed Blast Compensator Tungsten 55B8D86-TNG

CMMG DISSENT Upper Receiver Mk4 5.56x45mm NATO 10.5in 1-7 Twist 1/2x28 Thread Zeroed Blast Compensator Tungsten 55B8D86-TNG. 5 DISSENT 5.56 is a ton of fun and its rowdy Now that we got that out of our system our ears quit ringing and we arent seeing... ... more

CMMG DISSENT Upper Receiver Mk4 5.56x45mm NATO 10.5in 1-7 Twist 1/2x28 Thread Zeroed Blast Compensator Charcoal Green 55B8D86-CG

CMMG DISSENT Upper Receiver Mk4 5.56x45mm NATO 10.5in 1-7 Twist 1/2x28 Thread Zeroed Blast Compensator Charcoal Green 55B8D86-CG. 5 DISSENT 5.56 is a ton of fun and its rowdy Now that we got that out of our system our ears quit ringing and we arent... ... more

CMMG DISSENT Upper Receiver Mk4 5.56x45mm NATO 10.5in 1-7 Twist 1/2x28 Thread Zeroed Blast Compensator Midnight Bronze 55B8D86-MB

CMMG DISSENT Upper Receiver Mk4 5.56x45mm NATO 10.5in 1-7 Twist 1/2x28 Thread Zeroed Blast Compensator Midnight Bronze 55B8D86-MB. 5 DISSENT 5.56 is a ton of fun and its rowdy Now that we got that out of our system our ears quit ringing and we arent... ... more

CMMG DISSENT Upper Receiver Mk4 5.56x45mm NATO 10.5in 1-7 Twist 1/2x28 Thread Zeroed Blast Compensator Coyote Tan 55B8D86-CT

CMMG DISSENT Upper Receiver Mk4 5.56x45mm NATO 10.5in 1-7 Twist 1/2x28 Thread Zeroed Blast Compensator Coyote Tan 55B8D86-CT. 5 DISSENT 5.56 is a ton of fun and its rowdy Now that we got that out of our system our ears quit ringing and we arent seeing... ... 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

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 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

Ballistic Advantage CHF Threaded Barrel w/ Lo Pro 5.56x45mm NATO 16in Hanson Mid Length 1-7 Twist 1/2x28 Thread Phosphate Black BABL556H13F

Ballistic Advantage CHF Threaded Barrel w/ Lo Pro 5.56x45mm NATO 16in Hanson Mid Length 1-7 Twist 1/2x28 Thread Phosphate Black BABL556H13F. 56 NATO chambered Cold Hammer Forged barrel is machined from CrMoV steel with a manganese phosphate finish and... ... more

OP Exclusive Moriarti AR-15 Upper Receiver Assembly 5.56x45mm 10.5in Carbine Government M-LOK 1-7 1/2x28 Diamond Cut Free-Float Handgrd A2 Flash Hider

OP Exclusive Moriarti AR-15 Upper Receiver Assembly 5.56x45mm 10.5in Carbine Government M-LOK 1-7 1/2x28 Diamond Cut Free-Float Handgrd A2 Flash Hider. 5in 5.56x45mm NATO Upper Receiver Assembly A2 Flash Hider then you've found yourself in the ideal... ... more

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

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

DEMO OP Exclusive Moriarti AR-15 Pencil Upper Receiver Assembly 5.56x45mm NATO 16in Mid M-LOK 1-7 Twist 1/2x28 Thread Diamond Cut Free-Float Handgrd

DEMO OP Exclusive Moriarti AR-15 Pencil Upper Receiver Assembly 5.56x45mm NATO 16in Mid M-LOK 1-7 Twist 1/2x28 Thread Diamond Cut Free-Float Handgrd. 56 NATO 16in Diamond Cut 12in MLOK Upper Assembly/Triport was created in order to be the ideal product... ... 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

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

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

Aero Precision AR-15 5.56x45mm NATO Complete Upper Receiver w/ No Forward Assist 16in 5.56 Mid-Length Barrel 15in M-LOK ATLAS R-ONE Handguard Anodized

Aero Precision AR-15 5.56x45mm NATO Complete Upper Receiver w/ No Forward Assist 16in 5.56 Mid-Length Barrel 15in M-LOK ATLAS R-ONE Handguard Anodized. By combining our lightest handguards and barrel profiles with the No Forward Assist Upper Receiver... ... more

LaRue Tactical Complete AR-15 Match Grade Upper Receiver 16in 5.56x45mm NATO 1-8 Twist A2 Flash Hider Black LT-015

LaRue Tactical Complete AR-15 Match Grade Upper Receiver 16in 5.56x45mm NATO 1-8 Twist A2 Flash Hider Black LT-015. 56 LaRue Upper Its widely-recognized that were crafting the most accurate rifles on the planet. But if youve got any other type of AR-15... ... 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

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

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