Shaw AR-15 5.56 NATO Threaded Barrel Straight Flute 16in HBAR Profile 1-7 Twist 1/2-28 Thread Matte Stainless AR15HBSSSF16NATO7

Cmmg Ar-15/M16 5.56mm Barrels - Ar15 16" 5.56 Barrel 416ss Mt

Chambered in 5.56mm NATO, these medium profile barrels feature a 1-7 twist with 1/2"-28 muzzle threads, and accept .750" diameter gas blocks. 16" barrel mid-length gas system. Mfg: Cmmg SPECS: 416 stainless steel. 1/2"-28 muzzle threads. 750" OD Gas... ... 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 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 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 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 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 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 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

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 Upper Left Hand Receiver 5.56 NATO 16in Barrel NJ Compliant M4 Profile1-7 Twist 1/2 x 28 Thread Compensator Black STAG15111113

Stag Arms AR-15 Upper Left Hand Receiver 5.56 NATO 16in Barrel NJ Compliant M4 Profile1-7 Twist 1/2 x 28 Thread Compensator Black STAG15111113. 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 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

Shaw AR-15 5.56 NATO Threaded Barrel No Flute 20in HBAR Profile 1-7 Twist 1/2-28 Thread Matte Stainless AR15HBSS20NATO7

Shaw AR-15 5.56 NATO Threaded Barrel No Flute 20in HBAR Profile 1-7 Twist 1/2-28 Thread Matte Stainless AR15HBSS20NATO7. 56 NATO HBar Straight Fluted Barrel is a durable target profile barrel that delivers even greater strength than the target contour... ... more

Daniel Defense Upper Receiver Group M4A1 FSP 5.56 Nato 16in 14.5in Barrel M4 Carbine 1-7 Twist 1/2x24in Thread Picatinny Handguard Surefire SF3P Type

Daniel Defense Upper Receiver Group M4A1 FSP 5.56 Nato 16in 14.5in Barrel M4 Carbine 1-7 Twist 1/2x24in Thread Picatinny Handguard Surefire SF3P Type. This upper features the M4A1 FSP RIS II picatinny quad rail in Flat Dark Earth a 14.5in M4 profile... ... more

Tiger Rock Complete Upper Receiver AR-15 5.56 NATO 16in Mid Length 1-7 Twist w/ 16in Keymod Handguard Black Large UB15-FKM16

Tiger Rock Complete Upper Receiver AR-15 5.56 NATO 16in Mid Length 1-7 Twist w/ 16in Keymod Handguard Black Large UB15-FKM16. The Upper Receiver 16in Barrel and Bolt Carrier Group are made in specialized factories Included is a 16in Free Float Keymod... ... more

Jacob Grey Firearms Threaded Rifle Barrel AR Platform AR-15 5.56 NATO/.223 Remington 10.5in Pistol Length 1-7 Twist 1/2x28 Thread Black 556N105B

Jacob Grey Firearms Threaded Rifle Barrel AR Platform AR-15 5.56 NATO/.223 Remington 10.5in Pistol Length 1-7 Twist 1/2x28 Thread Black 556N105B. Depending on what your intended purpose for a particular rifle will be you might want a lightweight short... ... 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

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

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

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 Threaded Complete Upper Receiver 5.56 NATO 14.5 in Barrel M4 Profile 1-7 Twist 1/2x28 Thread 12 in ATLAS R-ONE M-LOK Handguard

Aero Precision M4E1 Threaded Complete Upper Receiver 5.56 NATO 14.5 in Barrel M4 Profile 1-7 Twist 1/2x28 Thread 12 in ATLAS R-ONE M-LOK Handguard. Our proprietary ATLAS attachment system is a durable and dependable mounting platform maintaining a slim... ... more

Jacob Grey Firearms Threaded Rifle Barrel AR Platform AR-15 5.56 NATO/.223 Remington 16in Pistol Length 1-7 Twist 1/2x28 Thread Black 556N16B

Jacob Grey Firearms Threaded Rifle Barrel AR Platform AR-15 5.56 NATO/.223 Remington 16in Pistol Length 1-7 Twist 1/2x28 Thread Black 556N16B. Depending on what your intended purpose for a particular rifle will be you might want a lightweight short or... ... 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

Rosco Manufacturing Bloodline 5.56 NATO Barrel M4 16in Mid Length 1-7 Twist 1/2x28 Thread Nitride Black BL-16-GVT-556-7-M

Rosco Manufacturing Bloodline 5.56 NATO Barrel M4 16in Mid Length 1-7 Twist 1/2x28 Thread Nitride Black BL-16-GVT-556-7-M. The longer gas system allows for a smoother gas curve which leads to managed dwell times. This combo creates a great balance of... ... 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

Sons of Liberty Gun Works Threaded Barrel 5.56 Chamber 16in Combat V2 Profile Mid Gas 1/2x28 1-7 Twist QPQ Black 16COMBATV2-CHF-556

Sons of Liberty Gun Works Threaded Barrel 5.56 Chamber 16in Combat V2 Profile Mid Gas 1/2x28 1-7 Twist QPQ Black 16COMBATV2-CHF-556. With the significantly increased chamber support our V2 contour barrels are better suited for modern configurations... ... more

Shaw AR-15 5.56 NATO Threaded Barrel Straight Flute 18in HBAR Profile 1-7 Twist 1/2-28 Thread Matte Stainless AR15HBSSSF18NATO7

Shaw AR-15 5.56 NATO Threaded Barrel Straight Flute 18in HBAR Profile 1-7 Twist 1/2-28 Thread Matte Stainless AR15HBSSSF18NATO7. 56 NATO HBar Straight Fluted Barrel is a durable target profile barrel that delivers even greater strength than the target... ... more

Shaw AR-15 5.56 NATO Threaded Barrel Spiral Flute 20in HBAR Profile 1-7 Twist 1/2-28 Thread Matte Stainless AR15HBSSHF20NATO7

Shaw AR-15 5.56 NATO Threaded Barrel Spiral Flute 20in HBAR Profile 1-7 Twist 1/2-28 Thread Matte Stainless AR15HBSSHF20NATO7. 56 NATO HBar Straight Fluted Barrel is a durable target profile barrel that delivers even greater strength than the target... ... more

Shaw AR-15 5.56 NATO Threaded Barrel Spiral Flute 20in HBAR Profile 1-7 Twist 1/2-28 Thread Matte Stainless AR15HBSSSF20NATO7

Shaw AR-15 5.56 NATO Threaded Barrel Spiral Flute 20in HBAR Profile 1-7 Twist 1/2-28 Thread Matte Stainless AR15HBSSSF20NATO7. 56 NATO HBar Straight Fluted Barrel is a durable target profile barrel that delivers even greater strength than the target... ... more

Rosco Manufacturing Bloodline 5.56 NATO Heavy Barrel 16in Carbine 1-7 Twist 1/2x28 Thread Nitride Black BL-16-HB-556-7-C

Rosco Manufacturing Bloodline 5.56 NATO Heavy Barrel 16in Carbine 1-7 Twist 1/2x28 Thread Nitride Black BL-16-HB-556-7-C. 56 (NATO) barrels are designed to meet the modern day carbine shooters requirements. Rosco Manufacturing are a long way from our... ... more

Jacob Grey Firearms Threaded Rifle Barrel AR Platform AR-15 5.56 NATO/.223 Remington 7.5in Pistol Length 1-7 Twist 1/2x28 Thread Black 556N75B

Jacob Grey Firearms Threaded Rifle Barrel AR Platform AR-15 5.56 NATO/.223 Remington 7.5in Pistol Length 1-7 Twist 1/2x28 Thread Black 556N75B. Depending on what your intended purpose for a particular rifle will be you might want a lightweight short or... ... 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

Hughes Ballistics 5.56 AR-15 USGI Profile Barrel 16in Government Mid-length Gas System 1-7 Twist 1/2x28 Thread Black Nitride HB15USGI16556

Hughes Ballistics 5.56 AR-15 USGI Profile Barrel 16in Government Mid-length Gas System 1-7 Twist 1/2x28 Thread Black Nitride HB15USGI16556. 56 chambered 16 inch USGI Profile mid-length Barrel is machined from 4150 Chrome Moly Vanadium steel with a... ... more

Tiger Rock Ballistic Advantage Modern Series Threaded Barrel 5.56 NATO 20in Rifle Gas System 1-7 Twist 1/2x28 Thread Pitch QPQ Black Large BR20-7M

Tiger Rock Ballistic Advantage Modern Series Threaded Barrel 5.56 NATO 20in Rifle Gas System 1-7 Twist 1/2x28 Thread Pitch QPQ Black Large BR20-7M. 56 NATO Threaded Barrel was developed in order to function as the ideal product for any person trying to... ... more