New Frontier Armory New Frontier Ar15 Barrel 10.5'' 17 5.56 Blk

Aero Precision Ar15 Comp Assembled Upper 5.56 Nato Carbine Barrel W/Pinned Fsb - 5.56 Assembled Uppe

AR15 Assembled Upper, 5.56 Nato Carbine Barrel W/Pinned Front sight base MOE SL or MOE SL ML Carbine Handguard - Black Available in 10.5" or 16" barrel. 10.5" Upper Features: Upper: Standard AR15 Upper Receiver Barrel: 10.5" 5.56 Carbine Barrel w/... ... more

Aero Precision Ar15 Comp Assembled Upper 5.56 Nato Carbine Barrel W/Pinned Fsb - 5.56 Assembled Uppe

AR15 Assembled Upper, 5.56 Nato Carbine Barrel W/Pinned Front sight base MOE SL or MOE SL ML Carbine Handguard - Black Available in 10.5" or 16" barrel. 10.5" Upper Features: Upper: Standard AR15 Upper Receiver Barrel: 10.5" 5.56 Carbine Barrel w/... ... more

Aero Precision Ar15 Comp Assembled Upper 5.56 Nato Carbine Barrel W/Pinned Fsb - 5.56 Assembled Uppe

AR15 Assembled Upper, 5.56 Nato Carbine Barrel W/Pinned Front sight base MOE SL or MOE SL ML Carbine Handguard - Black Available in 10.5" or 16" barrel. 10.5" Upper Features: Upper: Standard AR15 Upper Receiver Barrel: 10.5" 5.56 Carbine Barrel w/... ... 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

Radical Firearms Complete Upper Assembly 16in 5.56 SOCOM 1/7 Twist 15in RPR M-LOK A2 Flash Hider Black CFU16-5.56SOC-15RPR

Radical Firearms Complete Upper Assembly 16in 5.56 SOCOM 1/7 Twist 15in RPR M-LOK A2 Flash Hider Black CFU16-5.56SOC-15RPR. 5.56 SOCOM Upper Assembly. These AR15 Upper Receivers crafted by Radical Firearms are incredibly easy to install since they come... ... more

Radical Firearms Complete Upper Assembly 16in 5.56 SOCOM 1/7 Twist 12in RPR M-LOK A2 Flash Hider Black CFU16-5.56SOC-12RPR

Radical Firearms Complete Upper Assembly 16in 5.56 SOCOM 1/7 Twist 12in RPR M-LOK A2 Flash Hider Black CFU16-5.56SOC-12RPR. 5.56 SOCOM Upper Assembly. These AR15 Upper Receivers crafted by Radical Firearms are incredibly easy to install since they come... ... 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

New Frontier Armory New Frontier Ar15 Barrel 12.5'' 17 5.56 Blk

New Frontier Armory New Frontier Ar15 Barrel 12.5'' 17 5.56 Blk. 5" 1:7 5.56 Blk then you have found yourself in the ideal spot.. Developed using some of the most extremely durable and long lasting materials in existence these AR15 Barrels through New... ... more

Midwest Industries 10.5in CARBINE-LENGTH UPPER RECEIVER GROUP M-LOK 5.56 1/7 TWIST BARREL BLACK MI-556CRM9-U

Midwest Industries 10.5in CARBINE-LENGTH UPPER RECEIVER GROUP M-LOK 5.56 1/7 TWIST BARREL BLACK MI-556CRM9-U. 5" CARBINE-LENGTH UPPER RECEIVER GROUP M-LOK 5.56 1:7 BARREL BLACK Specifications for Midwest Industries 10.5in CARBINE-LENGTH UPPER RECEIVER... ... more

Aero Precision AR15 Complete Upper 16in 5.56 Mid-Length Barrel w/ Pinned FSB M4 Handguard Includes BCG & CH Anodized Black APAR505731

Aero Precision AR15 Complete Upper 16in 5.56 Mid-Length Barrel w/ Pinned FSB M4 Handguard Includes BCG & CH Anodized Black APAR505731. 56 NATO complete upper receiver from Aero Precision. These Mil-Spec AR15 Upper Receivers are built from tough 4150... ... more

Aero Precision AR15 Complete Upper Receiver 16in 5.56 Mid-Length Barrel w/ Pinned Front Sight Base M4 Handguard Black APAR505631

Aero Precision AR15 Complete Upper Receiver 16in 5.56 Mid-Length Barrel w/ Pinned Front Sight Base M4 Handguard Black APAR505631. 56 NATO complete upper receiver from Aero Precision. These Mil-Spec AR15 Upper Receivers are built from tough 4150 Chrome... ... 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

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

Veritas Tactical Pro Match Barrel 5.56 14.5in Heavy Contour 1-7 Twist Black PB-145-FB-556-7-N

Veritas Tactical Pro Match Barrel 5.56 14.5in Heavy Contour 1-7 Twist Black PB-145-FB-556-7-N. 56 Pro Match Threaded Barrel is the rifling of choice for shooters looking to increase the performance of their rifle. The barrels feature a 1/2x28 spec with... ... more

Veritas Tactical Pro Match Barrel 5.56 16in Heavy Contour 1-7 Twist Black PB-16-FB-556-7-N

Veritas Tactical Pro Match Barrel 5.56 16in Heavy Contour 1-7 Twist Black PB-16-FB-556-7-N. 56 Pro Match Threaded Barrel is the rifling of choice for shooters looking to increase the performance of their rifle. The barrels feature a 1/2x28 spec with a... ... more

Rainier Arms Select 5.56 NATO Barrel 16in 1-7 Twist 1/2x28 Black Medium RAB-SEL-556-16-M-NF-BLK

Rainier Arms Select 5.56 NATO Barrel 16in 1-7 Twist 1/2x28 Black Medium RAB-SEL-556-16-M-NF-BLK. They are able to reach our goal by sourcing a very high end barrel blank at an affordable price. They start off using a high precision match blank in 1:7... ... 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

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

Ballistic Advantage Hanson w/ lo pro Performance Series 5.56 AR Barrel Black 10.3 in BABL556004F

Ballistic Advantage Hanson w/ lo pro Performance Series 5.56 AR Barrel Black 10.3 in BABL556004F. 56 AR Rifle Barrels. These AR15 Barrels by Ballistic Advantage are machined from 4150 Chrome Moly Vanadium Steel to withstand the power of your rifle and... ... more

Aero Precision AR15 Complete Upper Receiver 20in 5.56 Rifle Length Barrel w/ Pinned Front Sight Base & A2 Handguard Black APAR505611

Aero Precision AR15 Complete Upper Receiver 20in 5.56 Rifle Length Barrel w/ Pinned Front Sight Base & A2 Handguard Black APAR505611. 56 Barrel w/ Pinned FSB A2 Handguard and A2 Detachable Carry Handle. Specifications for Aero Precision AR15 20in 5.56... ... more

Aero Precision Complete Upper Receiver M4E1-T 5.56 16in Mid-Length Barrel 15in M-LOK ATLAS S-ONE Handguard Anodized Black APAR700305M7

Aero Precision Complete Upper Receiver M4E1-T 5.56 16in Mid-Length Barrel 15in M-LOK ATLAS S-ONE Handguard Anodized Black APAR700305M7. 56 Mid Pencil Barrel w/ ATLAS S-ONE Handguard Complete Upper Receiver. These AR15 Upper Receivers built by Aero... ... more

Ballistic Advantage Hanson w/ lo pro Performance Series 5.56 AR Barrel Black 11.3 in BABL556026F

Ballistic Advantage Hanson w/ lo pro Performance Series 5.56 AR Barrel Black 11.3 in BABL556026F. 56 AR Rifle Barrels. These AR15 Barrels by Ballistic Advantage are machined from 4150 Chrome Moly Vanadium Steel to withstand the power of your rifle and... ... 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 M4E1 Threaded Complete Upper Receiver 5.56 16in Mid-Length Barrel 1-7 Twist 15in ATLAS S-ONE Handguard A2 Flash Hider Cerakote OD Green

Aero Precision M4E1 Threaded Complete Upper Receiver 5.56 16in Mid-Length Barrel 1-7 Twist 15in ATLAS S-ONE Handguard A2 Flash Hider Cerakote OD Green. 56 Mid Pencil Barrel w/ ATLAS S-ONE Handguard Complete Upper Receiver. These AR15 Upper Receivers... ... more

Aero Precision 5.56 CMV Barrel w/ Pinned FSB 16in Mid-Length 1-7 Twist 1/2-28 Threaded Anodized Black APRH100438

Aero Precision 5.56 CMV Barrel w/ Pinned FSB 16in Mid-Length 1-7 Twist 1/2-28 Threaded Anodized Black APRH100438. 56 CMV Barrel w/ Pinned FSB Carbine Length (C) Specifications for Aero Precision 5.56 CMV Barrel w/ Pinned FSB: Manufacturer: Aero... ... more

Rosco Manufacturing K9 Greenline Tactical Rifle Barrel 5.56 13.95 inch 1-7 Twist Mid-length Black Nitride K9-1395-HY-THEDON-556-7-M

Rosco Manufacturing K9 Greenline Tactical Rifle Barrel 5.56 13.95 inch 1-7 Twist Mid-length Black Nitride K9-1395-HY-THEDON-556-7-M. 95 features a mid-length gas system with an optimized gas port to run reliably suppressed and/or unsuppressed. The K9... ... more

Aero Precision 5.56 CMV M4 Barrel 18in Rifle Length 1-7 Twist 1/2-28 Threaded Anodized Black APRH100159

Aero Precision 5.56 CMV M4 Barrel 18in Rifle Length 1-7 Twist 1/2-28 Threaded Anodized Black APRH100159. 5" 5.56 M4 CMV Barrel Carbine Length Specifications for Aero Precision 5.56 CMV M4 Barrel: Manufacturer: Aero Precision Color: Black... ... more

Aero Precision 5.56 CMV Barrel w/ Pinned FSB 16in Carbine Length 1-7 Twist 1/2-28 Threaded Anodized Black APRH100434

Aero Precision 5.56 CMV Barrel w/ Pinned FSB 16in Carbine Length 1-7 Twist 1/2-28 Threaded Anodized Black APRH100434. 56 CMV Barrel w/ Pinned FSB Carbine Length (C) Specifications for Aero Precision 5.56 CMV Barrel w/ Pinned FSB: Manufacturer: Aero... ... more

Ballistic Advantage Performance Barrel AR-15 5.56 12.9in Hanson Contour 1/7 Twist 1/2x28 Thread QPQ Corrosion Resistant Black BABL556033F

Ballistic Advantage Performance Barrel AR-15 5.56 12.9in Hanson Contour 1/7 Twist 1/2x28 Thread QPQ Corrosion Resistant Black BABL556033F. 56 Barrel. These Rifle Barrels by Ballistic Advantage are constructed from tough 4150 Chrome Moly Vanadium steel... ... more

POF USA Renegade 5.56 Upper 10.5in Barrel 9 Position Direct Impingement Dictator 9.5in Rail Black Anodized 00912

POF USA Renegade 5.56 Upper 10.5in Barrel 9 Position Direct Impingement Dictator 9.5in Rail Black Anodized 00912. Featuring a 9-position direct impingement dictater these AR15 Upper Receivers by POF USA allow you to completely revolutionize your rifle... ... more

Aero Precision AR-15 Complete Upper Receiver 5.56 Carbine 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 Carbine 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... ... more

Maxim Defense Industries MDX 505 PDX SCW PDW Brace Upper Kit 5.56 NATO 14in Hate Brake 1/2-28 Thread 5.5in Barrel Type III Hardcoat Anodized Black

Maxim Defense Industries MDX 505 PDX SCW PDW Brace Upper Kit 5.56 NATO 14in Hate Brake 1/2-28 Thread 5.5in Barrel Type III Hardcoat Anodized Black. 75 inches with the stock collapsed. These AR15 Upper Receivers are a cut above what you get anywhere... ... more

Aero Precision Complete Upper Receiver M4E1-T 14.5in 5.56 Mid Barrel 12in M-LOK ATLAS S-ONE Handguard Anodized Black APAR700304M5

Aero Precision Complete Upper Receiver M4E1-T 14.5in 5.56 Mid Barrel 12in M-LOK ATLAS S-ONE Handguard Anodized Black APAR700304M5. 5in 5.56 Mid-Length w/ ATLAS S-ONE Handguard Complete Upper Receiver with Flash Hider. Aero Precision designed these AR15... ... more

Stag Arms AR-15 3-Gun Elite Left HandUpper Receiver 5.56 NATO 18in Barrel NJ Compliant Heavy-Fluted Profile 1-8 Twist VG6 Gamma Black STAG15110613

Stag Arms AR-15 3-Gun Elite Left HandUpper Receiver 5.56 NATO 18in Barrel NJ Compliant Heavy-Fluted Profile 1-8 Twist VG6 Gamma Black STAG15110613. . Developed working with several of the most robust and dependable resources in existence these AR15... ... more

Aero Precision Complete Upper Receiver M4E1-T 5.56 16in Mid-Length Barrel 12in M-LOK ATLAS S-ONE Handguard Anodized Black APAR700304M7

Aero Precision Complete Upper Receiver M4E1-T 5.56 16in Mid-Length Barrel 12in M-LOK ATLAS S-ONE Handguard Anodized Black APAR700304M7. 56 Mid Pencil Barrel w/ ATLAS S-ONE Handguard Complete Upper Receiver. These AR15 Upper Receivers built by Aero... ... 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