Alexander Arms DIY Upper Kit AR-15 6.5mm Grendel 16 inch Barrel Mid Length 1-8 Twist 5/8x24 Thread Matte Black Melonite KIT-65-16-10RD

Aero Ar-15 Assembled Upper 5.56mm Build Kits - Build Kit 5.56mm Assembled Upper 16" Mid-Length 12" H

Why buy a complete rifle, only to discard half (or more) of its parts as you customize it? Money down the drain! Our Aero Precision AR-15 Upper Bundles contain the three core components: receiver, barrel, and an extended M-LOK handguard. You purchase... ... more

Primary Weapons Mk116 Mod 2-M 223 Wylde Complete Upper Receiver - Mk116 Mod 2-M 223 Wylde 16.1" Bbl

MK116 MOD 2-M 223 Wylde Complete Upper SPECIFICATIONS: Operating System: PWS Long Stroke Piston System with 3-Setting Adjustable Gas System Caliber: .223 Wylde Barrel Length: 16.1" 41V50 Steel Gas System Length: Mid-Length Barrel Twist Rate: 1:8 Muzzle... ... more

BSF Barrels AR Carbon Fiber Barrel AR-15 6.5mm Grendel 16 in Mid Length 1-8 Twist Fluted 5/8x24 Thread .875 OD Gray FM1516G008

BSF Barrels AR Carbon Fiber Barrel AR-15 6.5mm Grendel 16 in Mid Length 1-8 Twist Fluted 5/8x24 Thread .875 OD Gray FM1516G008. 5 Grendel Rifle Barrel w/1:8 Twist is an excellent way to make sure you have a lightweight and accurate addition to your... ... more

BSF Barrels AR Carbon Fiber Barrel AR-15 6.5mm Grendel 14.5 in Mid Length 1-8 Twist Fluted 5/8x24 Thread .875 OD Gray FM1514G008

BSF Barrels AR Carbon Fiber Barrel AR-15 6.5mm Grendel 14.5 in Mid Length 1-8 Twist Fluted 5/8x24 Thread .875 OD Gray FM1514G008. 5 Grendel Rifle Barrel w/1:8 Twist is an excellent way to make sure you have a lightweight and accurate addition to your... ... more

BSF Barrels AR Carbon Fiber Barrel AR-15 6.5mm Grendel 12 in Carbine Length 1-8 Twist Fluted 5/8x24 Thread .875 OD Gray FC1512G001

BSF Barrels AR Carbon Fiber Barrel AR-15 6.5mm Grendel 12 in Carbine Length 1-8 Twist Fluted 5/8x24 Thread .875 OD Gray FC1512G001. 5 Grendel Rifle Barrel w/1:8 Twist is an excellent way to make sure you have a lightweight and accurate addition to your... ... more

Ballistic Advantage Premium Series Threaded Barrel 6.5mm Grendel II 16in SPR Mid-Length 1-8 Twist 5/8x24 Thread Bead Blasted Stainless Steel

Ballistic Advantage Premium Series Threaded Barrel 6.5mm Grendel II 16in SPR Mid-Length 1-8 Twist 5/8x24 Thread Bead Blasted Stainless Steel. 5 Grendel "Type 2" chambered 16 inch barrel is machined from 416 Stainless Steel with a bead blasted finish.... ... more

Hitman Industries AR-15 6.5mm Grendel II Government Rifle Barrel 18 inch 1-8 Twist Mid Length Nitride Black 65GT2M18GOV50B8

Hitman Industries AR-15 6.5mm Grendel II Government Rifle Barrel 18 inch 1-8 Twist Mid Length Nitride Black 65GT2M18GOV50B8. There are a few ways to rifle a barrel but here at hitman we prefer button rifling for accuracy. With our 7 step quality... ... more

Ballistic Advantage 6.5mm Creedmoor 18 inch Hanson Contour Mid Length 1-8 Twist 5/8x24 Thread QPQ Corrosion Resistant Black BABL65CR21PQ

Ballistic Advantage 6.5mm Creedmoor 18 inch Hanson Contour Mid Length 1-8 Twist 5/8x24 Thread QPQ Corrosion Resistant Black BABL65CR21PQ. 5 Creedmoor chambered (DPMS style) barrel is machined from 416R Stainless Steel with a QPQ Corrosion Resistant... ... more

Rock River Arms Completed Upper Receiver FESP .223 Wylde 16 Inch Barrel Mid Lenght Profile 1-8 Twist 1/2-28 Thread Free-Float Handguard Brake Black

Rock River Arms Completed Upper Receiver FESP .223 Wylde 16 Inch Barrel Mid Lenght Profile 1-8 Twist 1/2-28 Thread Free-Float Handguard Brake Black. 223 Wylde Completed Upper. These AR15 Upper Receivers through the skilled product professionals at Rock... ... more

Ballistic Advantage 6.5mm Creedmoor 16 inch Hanson Contour Mid Length 1-8 Twist 5/8x24 Thread Bead Blasted Stainless Steel BABL65CR19P

Ballistic Advantage 6.5mm Creedmoor 16 inch Hanson Contour Mid Length 1-8 Twist 5/8x24 Thread Bead Blasted Stainless Steel BABL65CR19P. 5 Creedmoor chambered (DPMS style) barrel is machined from 416R Stainless Steel with a QPQ Corrosion Resistant... ... more

Ballistic Advantage 6.5mm Creedmoor 16 inch Hanson Contour Mid Length 1-8 Twist 5/8x24 Thread QPQ Corrosion Resistant Black BABL65CR19PQ

Ballistic Advantage 6.5mm Creedmoor 16 inch Hanson Contour Mid Length 1-8 Twist 5/8x24 Thread QPQ Corrosion Resistant Black BABL65CR19PQ. 5 Creedmoor chambered (DPMS style) barrel is machined from 416R Stainless Steel with a QPQ Corrosion Resistant... ... more

Alexander Arms AR15 Stripped Rifle Upper 6.5 Grendel 18 in Barrel Carbine Length 1-7.5 Twist 5/8x24 Thread Black KIT-65-18

Alexander Arms AR15 Stripped Rifle Upper 6.5 Grendel 18 in Barrel Carbine Length 1-7.5 Twist 5/8x24 Thread Black KIT-65-18. The Upper Receiver Built Kit comes with all the key components making it an excellent choice for a home build. Specifications... ... more

Ballistic Advantage Premium Series Threaded Barrel 6.5mm Grendel II 16in Fluted SPR Mid-Length 1-8 Twist 5/8x24 Thread Bead Blasted Stainless Steel

Ballistic Advantage Premium Series Threaded Barrel 6.5mm Grendel II 16in Fluted SPR Mid-Length 1-8 Twist 5/8x24 Thread Bead Blasted Stainless Steel. 5 Grendel Type 2 barrel is machined from 416R Stainless Steel with a bead blasted finish. Our Premium... ... more

Hitman Industries AR-15 6.5mm Grendel II Government Rifle Barrel 16 inch 1-8 Twist Mid Length 5/8x32 Thread Nitride Black 65GT2M16GOV50B8

Hitman Industries AR-15 6.5mm Grendel II Government Rifle Barrel 16 inch 1-8 Twist Mid Length 5/8x32 Thread Nitride Black 65GT2M16GOV50B8. There are a few ways to rifle a barrel but here at hitman we prefer button rifling for accuracy. With our 7 step... ... more

Diamondback Firearms OEM Replacement Barrel Grendel AR-15 6.5mm Grendel 18in Medium Profile Mid-Length 1-8 Twist 5/8 x 24 Thread 4150 CrMov Black

Diamondback Firearms OEM Replacement Barrel Grendel AR-15 6.5mm Grendel 18in Medium Profile Mid-Length 1-8 Twist 5/8 x 24 Thread 4150 CrMov Black. Made of 4150 CMV with a mid-length gas system. Specifications for Diamondback Firearms OEM Replacement... ... more

Ballistic Advantage 6.5mm Creedmoor 18 inch Hanson Contour Mid Length 1-8 Twist 5/8x24 Thread Bead Blasted Stainless Steel BABL65CR21P

Ballistic Advantage 6.5mm Creedmoor 18 inch Hanson Contour Mid Length 1-8 Twist 5/8x24 Thread Bead Blasted Stainless Steel BABL65CR21P. 5 Creedmoor chambered (DPMS style) barrel is machined from 416R Stainless Steel with a QPQ Corrosion Resistant... ... more

Alexander Arms AR15 Stripped Rifle Upper .50 Beowulf 16 in Barrel Carbine Length 1-20 Twist 49/64x20 Thread Thread Protector Black KIT-50

Alexander Arms AR15 Stripped Rifle Upper .50 Beowulf 16 in Barrel Carbine Length 1-20 Twist 49/64x20 Thread Thread Protector Black KIT-50. The Upper Receiver Built Kit comes with all the key components making it an excellent choice for a home build.... ... more

FM Products Mike-15 .223 Wylde Gen 2 Complete Upper Receiver 22.25 inch 12.5 inch Barrel Mid Length 1-8 Twist 1/2x28 Thread Free-Float Nitride Black

FM Products Mike-15 .223 Wylde Gen 2 Complete Upper Receiver 22.25 inch 12.5 inch Barrel Mid Length 1-8 Twist 1/2x28 Thread Free-Float Nitride Black. Specifications for FM Products Mike-15 .223 Wylde Gen 2 Complete Upper Receiver: Manufacturer: FM... ... more

Rock River Arms Completed Upper Receiver R3 .223/5.56mm 18 Inch Barrel Mid-Length Plofile 1-8 Twist 1/2-28 Thread M-LOK Handguard Brake Black

Rock River Arms Completed Upper Receiver R3 .223/5.56mm 18 Inch Barrel Mid-Length Plofile 1-8 Twist 1/2-28 Thread M-LOK Handguard Brake Black. 223 Wylde Completed Upper. These AR15 Upper Receivers from the professional product specialists at Rock River... ... more

Rock River Arms Completed Pistol Upper Receiver A4 .223/5.56mm 16 Inch Barrel Mid-Length Profile 1-9 Twist 1/2-28 Thread A2 Flash Hider Black AR0375B

Rock River Arms Completed Pistol Upper Receiver A4 .223/5.56mm 16 Inch Barrel Mid-Length Profile 1-9 Twist 1/2-28 Thread A2 Flash Hider Black AR0375B. 223/5.56mm Completed Pistol Upper. These AR15 Upper Receivers through the skilled product... ... more

Rock River Arms Completed Pistol Upper Receiver A4 .223/5.56mm 16 Inch Barrel Mid-Length Profile 1-9 Twist 1/2-28 Thread A2 Flash Hider w/Gas Block

Rock River Arms Completed Pistol Upper Receiver A4 .223/5.56mm 16 Inch Barrel Mid-Length Profile 1-9 Twist 1/2-28 Thread A2 Flash Hider w/Gas Block. 223/5.56mm Completed Pistol Upper. These AR15 Upper Receivers through the skilled product professionals... ... more

Alexander Arms AR15 Standard Rifle Upper 6.5 Grendel 18 in Barrel Carbine Length 1-7.5 Twist 5/8x24 Thread Tacstar Carbon Fiber Handguard Thread

Alexander Arms AR15 Standard Rifle Upper 6.5 Grendel 18 in Barrel Carbine Length 1-7.5 Twist 5/8x24 Thread Tacstar Carbon Fiber Handguard Thread. . These AR15 Upper Receivers through the professional product specialists at Alexander Arms are fashioned... ... 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 Burnt

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 Burnt. 300 Blackout Upper Receiver is an excellent addition to any high-quality AR build. Each of these Grid... ... 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 Blue

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 Blue. 300 Blackout Upper Receiver is an excellent addition to any high-quality AR build. Each of these Grid... ... 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 Tungsten

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 Tungsten. 300 Blackout Upper Receiver is an excellent addition to any high-quality AR build. Each of these Grid... ... 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 Flat Dark

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 Flat Dark. 300 Blackout Upper Receiver is an excellent addition to any high-quality AR build. Each of these Grid... ... 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

POF USA Minuteman Upper Receiver 5.56 16.5in Barrel Mid Length 1-8 Twist 1/2x28 14.5in Renegade Rail 3-prong Flash Hider Tungsten 1814

POF USA Minuteman Upper Receiver 5.56 16.5in Barrel Mid Length 1-8 Twist 1/2x28 14.5in Renegade Rail 3-prong Flash Hider Tungsten 1814. They took it upon themselves to be trained in various weapons and tactics. We deeply admire their patriotism and... ... more

Radian Weapons Model 1 Complete Upper Receiver .223 Wylde 16 in Barrel Custom Mid Length 1-8 Twist 1/2x28 Thread M-LOK Deadair Flash Hider OD Green

Radian Weapons Model 1 Complete Upper Receiver .223 Wylde 16 in Barrel Custom Mid Length 1-8 Twist 1/2x28 Thread M-LOK Deadair Flash Hider OD Green. Beyond quality and aesthetics the Model 1 features fully ambidextrous controls adding much-needed... ... more

POF USA Minuteman Upper Receiver 5.56 16.5in Barrel Mid Length 1-8 Twist 1/2x28 14.5in Renegade Rail 3-prong Flash Hider Patriot Brown 1815

POF USA Minuteman Upper Receiver 5.56 16.5in Barrel Mid Length 1-8 Twist 1/2x28 14.5in Renegade Rail 3-prong Flash Hider Patriot Brown 1815. They took it upon themselves to be trained in various weapons and tactics. We deeply admire their patriotism... ... more

Radian Weapons Model 1 Complete Upper Receiver .223 Wylde 16 in Barrel Custom Mid Length 1-8 Twist 1/2x28 Thread M-LOK Deadair Flash Hider FDE R0473

Radian Weapons Model 1 Complete Upper Receiver .223 Wylde 16 in Barrel Custom Mid Length 1-8 Twist 1/2x28 Thread M-LOK Deadair Flash Hider FDE R0473. Beyond quality and aesthetics the Model 1 features fully ambidextrous controls adding much-needed... ... more

Radian Weapons Model 1 Complete Upper Receiver .223 Wylde 16 in Barrel Custom Mid Length 1-8 Twist 1/2x28 Thread M-LOK Deadair Flash Hider Radian Grey

Radian Weapons Model 1 Complete Upper Receiver .223 Wylde 16 in Barrel Custom Mid Length 1-8 Twist 1/2x28 Thread M-LOK Deadair Flash Hider Radian Grey. Beyond quality and aesthetics the Model 1 features fully ambidextrous controls adding much-needed... ... more

Radian Weapons Model 1 Complete Upper Receiver .223 Wylde 16 in Barrel Custom Mid Length 1-8 Twist 1/2x28 Thread M-LOK Deadair Flash Hider Radian

Radian Weapons Model 1 Complete Upper Receiver .223 Wylde 16 in Barrel Custom Mid Length 1-8 Twist 1/2x28 Thread M-LOK Deadair Flash Hider Radian. Beyond quality and aesthetics the Model 1 features fully ambidextrous controls adding much-needed utility... ... more

LaRue Tactical Stealth A3Threaded Barrel AR Platform AR-15 16in 5.56mm Mid Length 1/8 Twist 1/2x28 Thread Black LT15-6S-M-223-8-16-Y-1M-A3

LaRue Tactical Stealth A3Threaded Barrel AR Platform AR-15 16in 5.56mm Mid Length 1/8 Twist 1/2x28 Thread Black LT15-6S-M-223-8-16-Y-1M-A3. Stealth Uppers are considered by many to be the finest improvement that can be made to a stock AR15 Rifle.... ... more

TRYBE Defense Complete Upper Receiver AR-15 7.62x39mm 16 inch Barrel Mid Length 1-10 Twist Free-Float Handguard A2 Flash Hider Black Nitride Finish

TRYBE Defense Complete Upper Receiver AR-15 7.62x39mm 16 inch Barrel Mid Length 1-10 Twist Free-Float Handguard A2 Flash Hider Black Nitride Finish. 62x39mm Complete Upper is built for any shooter who wants a high-quality piece of equipment with their... ... more

Rock River Arms Completed Upper Receiver Coyote Carbine .300 AAC Blackout 16 Inch Barrel 1-8 Twist 5/8-24 Thread Free-Float Handguard Vortex Flash

Rock River Arms Completed Upper Receiver Coyote Carbine .300 AAC Blackout 16 Inch Barrel 1-8 Twist 5/8-24 Thread Free-Float Handguard Vortex Flash. 300 AAC Blackout Completed Upper then you've showed up at the ideal spot.. These AR15 Upper Receivers... ... 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