Rock River Arms 10.5in 9mm CL Pistol Barrel Assembly Black 9MM0225CLASY

Rock River Arms Car-15/M4 9mm Carbine Buffer - 9mm Carbine Buffer

9mm Carbine Buffer - Steel, matte black oxide finish. Mfg: Rock River Arms ... more

Rock River Arms Ar-15/M16 9mm Drop-Conversion Block - 9mm Magwell Conversion Block

Magwell Conversion Block - Steel with matte black oxide finish and aluminum with matte black, hardcoat anodized finish. Fits CAR-15/M4 collapsible stock models with .154" diameter receiver pin holes. Mfg: Rock River Arms ... more

Rock River Arms 10.5in CL 1-7 Full Auto Barrel Assembly Black AR0241ASY

Rock River Arms 10.5in CL 1-7 Full Auto Barrel Assembly Black AR0241ASY. 56 Nato 10.5 Inch Barrel Assembly 1:7 Twist 10.5" Chrome Lined Bore & Chamber Front Sight Housing W/Bayonet Lug W/Barrel Nut Specifications for Rock River Arms 10.5in CL 1-7 Full... ... more

Kaw Valley Precision 9mm Caliber 4150 QPQ AR-15 Barrel 10.5in Black Medium KVP-9MM-BBL-10

Kaw Valley Precision 9mm Caliber 4150 QPQ AR-15 Barrel 10.5in Black Medium KVP-9MM-BBL-10. KVP 9MM barrels have an integrated feed ramp and will work with both Colt and Glock style AR-9 rifles or pistols. All barrels are manufactured under ISO:9001 &... ... more

Rock River Arms 10.5in CL 1-7 Full Auto Barrel Black AR0241

Rock River Arms 10.5in CL 1-7 Full Auto Barrel Black AR0241. 56 Nato 10.5 Inch Barrel With Extension And Pin 1:7 Twist Specifications for Rock River Arms 10.5in CL 1-7 Full Auto Barrel: Manufacturer: Rock River Arms Color: Black Fabric/Material: 416R... ... more

Ghost Firearms Vital Upper Receiver Pistol Lower Parts Kit 7.62x39 10.5in Carbine Light HBAR Barrel 1-10 Twist 9in M-LOK Freefloat Handguard Blk

Ghost Firearms Vital Upper Receiver Pistol Lower Parts Kit 7.62x39 10.5in Carbine Light HBAR Barrel 1-10 Twist 9in M-LOK Freefloat Handguard Blk. This complete upper assembly kit by Ghost Firearms comes with a solid 4150 Light H Bar Button Rifle Barrel... ... more

Jacob Grey Firearms Complete Upper Assembly 5.56 NATO 10.5in 1-7 Twist 1/2x28 Thread Black 556N105CUA

Jacob Grey Firearms Complete Upper Assembly 5.56 NATO 10.5in 1-7 Twist 1/2x28 Thread Black 556N105CUA. 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... ... more

Rock River Arms 16in R4 1-9 CL LTWT Barrel Assembly Black AR0219ASY

Rock River Arms 16in R4 1-9 CL LTWT Barrel Assembly Black AR0219ASY. 56 Nato Lightweight R-4 Barrel Assembly 1:9 Twist Specifications for Rock River Arms 16in R4 1-9 CL LTWT Barrel Assembly: Manufacturer: Rock River Arms Color: Black Fabric/Material:... ... more

Quarter Circle 10 9mm Barrel 10.5in Black Nitride QC-BRL-9-10.5

Quarter Circle 10 9mm Barrel 10.5in Black Nitride QC-BRL-9-10.5. The thread pitch of these 9mm barrels is 1/2x28 which can mount on most auto-loading pistol magazines making these barrels a must have for any 9mm auto-loader build. Every Quarter Circle... ... more

Rock River Arms 14.5in CL 1-9 Barrel Assembly Black AR0199ASY

Rock River Arms 14.5in CL 1-9 Barrel Assembly Black AR0199ASY. 5 Inch 5.56 Nato Carbine Medium Weight Barrel Assembly 1:9 Twist 14.5" Chrome Lined Bore & Chamber Front Sight Housing W/Bayonet Lug W/Barrel Nut Specifications for Rock River Arms 14.5in... ... more

Rock River Arms Completed Upper Receiver A4 9MM Luger 7 Inch Barrel 1-10 Twist 1/2-36 Thread Free-Float Handguard A2 Flash Hider Black 9MM0365B

Rock River Arms Completed Upper Receiver A4 9MM Luger 7 Inch Barrel 1-10 Twist 1/2-36 Thread Free-Float Handguard A2 Flash Hider Black 9MM0365B. . Formulated working with several of the very most robust and dependable materials available these AR15... ... 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 Upper Receiver A4 9MM Luger 10.5 Inch Barrel 1-10 Twist 1/2-36 Thread R4 Handguard A2 Flash Hider Black 9MM0364B

Rock River Arms Completed Upper Receiver A4 9MM Luger 10.5 Inch Barrel 1-10 Twist 1/2-36 Thread R4 Handguard A2 Flash Hider Black 9MM0364B. . Formulated working with several of the very most robust and dependable materials available these AR15 Upper... ... more

Springfield Armory XD 9mm Optical Sight Pistol Plate Slide Assembly w/Barrel Assembly 4in Black XD4902

Springfield Armory XD 9mm Optical Sight Pistol Plate Slide Assembly w/Barrel Assembly 4in Black XD4902. These 4in 9mm kits and assemblies provide original XD owners OSP capabilities as well as the ability to convert certain XD models to a full-size 4in... ... more

Bilson Arms 9mm Pump Style Forward Charging Upper Assembly with 416R-Stainless Steel Barrel Anodized Black 1 A9UFCAN1001-416RSS

Bilson Arms 9mm Pump Style Forward Charging Upper Assembly with 416R-Stainless Steel Barrel Anodized Black 1 A9UFCAN1001-416RSS. 5 in Barrel Length: 16 in Barrel Profile: Pencil Barrel Twist Rate: 1-10 Threads per Inch: 1/2x28 Handguard Type:... ... more

Rock River Arms Completed Pistol Upper Receiver A4 .223/5.56mm 20 Inch Barrel Standart Profile 1-9 Twist 1/2-28 Thread A2 Handguard A2 Flash Hider

Rock River Arms Completed Pistol Upper Receiver A4 .223/5.56mm 20 Inch Barrel Standart Profile 1-9 Twist 1/2-28 Thread A2 Handguard A2 Flash Hider. 223/5.56mm Completed Pistol Upper. These AR15 Upper Receivers through the skilled product professionals... ... 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

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

Rock River Arms Completed Upper Receiver Elite Carbine A4 .223/5.56mm 16 Inch Barrel 1-9 Twist Mid-Length Profile 1/2-28 Thread A2 Flash Hider Black. 223/5.56mm Completed Upper then you have arrived at the right spot.. These AR15 Upper Receivers... ... more

Rock River Arms Completed Upper Receiver Left Handed RAGE 2G .223/5.56mm 16 Inch Barrel 1/2-28 Thread A2 Flash Hider Black LH0475

Rock River Arms Completed Upper Receiver Left Handed RAGE 2G .223/5.56mm 16 Inch Barrel 1/2-28 Thread A2 Flash Hider Black LH0475. 223/5.56mm Completed Upper was created to function as the best item for any person trying to find a high quality choice..... ... more

Rock River Arms 20in .308 CM Varmint Threaded Barrel Assembly w/Gas Blk Black 308A0234ASY

Rock River Arms 20in .308 CM Varmint Threaded Barrel Assembly w/Gas Blk Black 308A0234ASY. 308 CM Varmint Threaded Barrel Assembly w/Gas Blk: Manufacturer: Rock River Arms Color: Black Fabric/Material: Chrome Cartridge: 7.62x51mm NATO Barrel Length: 20... ... more

Rock River Arms 16in Mid SS Barrel Assembly Post/Fluted/No Threads Stainless Steel AR0216FASY

Rock River Arms 16in Mid SS Barrel Assembly Post/Fluted/No Threads Stainless Steel AR0216FASY. 223 Wylde Steel Barrel Assembly Unthreaded Specifications for Rock River Arms 16in Mid SS Barrel Assembly Post/Fluted/No Threads: Manufacturer: Rock River... ... more

Rock River Arms 7in 9mm CM Pistol Barrel Assembly Black 9MM0209ASY

Rock River Arms 7in 9mm CM Pistol Barrel Assembly Black 9MM0209ASY. 750 in Threads per Inch: 1/2x36 Barrel Twist Rate: 1-10 Flutes: No Gun Make: Rock River Arms Gun Model: Universal Weight: 26 oz Package Contents: Rock River Arms 7in 9mm CM Pistol... ... more

Rock River Arms Completed Upper Receiver Predator Pursuit .223 Wylde 16 Inch Barrel Varmint Profile 1-8 Twist Free-Float Handguard Black AR0572

Rock River Arms Completed Upper Receiver Predator Pursuit .223 Wylde 16 Inch Barrel Varmint Profile 1-8 Twist Free-Float Handguard Black AR0572. 223 Wylde Completed Upper was developed in order to be the ideally suited item for any person looking for... ... more

Rock River Arms Upper Receiver A4 .223 Wylde 16 Inch Barrel Varmint Profile 1-8 Twist Free-Float Handguard Black AR0500

Rock River Arms Upper Receiver A4 .223 Wylde 16 Inch Barrel Varmint Profile 1-8 Twist Free-Float Handguard Black AR0500. 223 Wylde Completed Upper was created to be the ideally suited product for anybody looking for an outstanding option.. These AR15... ... more

Rock River Arms 16in .458 Car Barrel Assembly With Gas Block Black SOC0200ASY

Rock River Arms 16in .458 Car Barrel Assembly With Gas Block Black SOC0200ASY. 458 Socom 16 Inch Car Chrome Moly Bull Barrel Assembly Specifications for Rock River Arms 16in .458 Car Barrel Assembly With Gas Block: Manufacturer: Rock River Arms Color:... ... more

Rock River Arms 7in 9mm CM Pistol Barrel Black 9MM0209

Rock River Arms 7in 9mm CM Pistol Barrel Black 9MM0209. 750 in Threads per Inch: 1/2x36 Barrel Twist Rate: 1-10 Flutes: No Gun Make: Rock River Arms Gun Model: Universal Weight: 22.1 oz Package Contents: Rock River Arms 7in 9mm CM Pistol Barrel Rock... ... 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

Rock River Arms Completed Upper Receiver X-1 .223 Wylde 18 Inch Barrel 1-8 Twist 1/2-28 Threat Free-Float Handguard Brake Black XAR0700B.V1

Rock River Arms Completed Upper Receiver X-1 .223 Wylde 18 Inch Barrel 1-8 Twist 1/2-28 Threat Free-Float Handguard Brake Black XAR0700B.V1. 223 Wylde Completed Upper was developed to function as the ideal item for anyone in need of a high quality... ... more

Rock River Arms Completed Upper Receiver Left Handed RAGE .223/5.56mm 7 Inch Barrel 1-9 Twist 1/2-28 Thread Free-Float Handguard A2 Flash Hider Black

Rock River Arms Completed Upper Receiver Left Handed RAGE .223/5.56mm 7 Inch Barrel 1-9 Twist 1/2-28 Thread Free-Float Handguard A2 Flash Hider Black. 223/5.56mm Completed Upper then you have turned up at the absolute appropriate spot.. Formulated... ... 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 20in . 308 CM Varmint Barrel Black 308A0236

Rock River Arms 20in . 308 CM Varmint Barrel Black 308A0236. 308 CM Varmint Barrel: Manufacturer: Rock River Arms Color: Black Fabric/Material: Chrome Moly Cartridge: 7.62x51mm NATO Barrel Length: 20 in Barrel Profile: Varmint Gas System Length: Mid... ... more

Rock River Arms Completed Pistol Upper Receiver A4 .223/5.56mm 10.5 Inch Barrel 1-7 Twist 1/2-28 Thread Free-Float Handguard A2 Flash Hide Black

Rock River Arms Completed Pistol Upper Receiver A4 .223/5.56mm 10.5 Inch Barrel 1-7 Twist 1/2-28 Thread Free-Float Handguard A2 Flash Hide Black. 223/5.56mm Completed Pistol Upper. These AR15 Upper Receivers through the skilled product professionals at... ... more

Rock River Arms Completed Pistol Upper Receiver Mountain .223/5.56mm 10.5 Inch Barrel 1-9 Twist 1/2-28 Threat A2 Flash Hider Black MT0600

Rock River Arms Completed Pistol Upper Receiver Mountain .223/5.56mm 10.5 Inch Barrel 1-9 Twist 1/2-28 Threat A2 Flash Hider Black MT0600. 223/5.56mm Completed Pistol Upper was developed to function as the best item for anyone needing an outstanding... ... more

Rock River Arms Completed Pistol Upper Receiver A4 .223/5.56mm 4.5 Inch Barrel 1-9 Twist 1/2-28 Thread Free-Float Handguard Vortex Flash Hider Black

Rock River Arms Completed Pistol Upper Receiver A4 .223/5.56mm 4.5 Inch Barrel 1-9 Twist 1/2-28 Thread Free-Float Handguard Vortex Flash Hider Black. 223/5.56mm Completed Pistol Upper. These AR15 Upper Receivers through the skilled product... ... more

Rock River Arms Completed Upper Receiver A4 9MM Luger 16 Inch Barrel 1-10 Twist 1/2-36 Thread Free-Float Handguard Brake Black 9MM0700.V1

Rock River Arms Completed Upper Receiver A4 9MM Luger 16 Inch Barrel 1-10 Twist 1/2-36 Thread Free-Float Handguard Brake Black 9MM0700.V1. . Formulated working with several of the very most robust and dependable materials available these AR15 Upper... ... more

Rock River Arms Completed Upper Receiver Mid-Length A4 9MM Luger 16 Inch Barrel 1-10 Twist 1/2-36 Thread A2 Flash Hider Black 9MM0388B

Rock River Arms Completed Upper Receiver Mid-Length A4 9MM Luger 16 Inch Barrel 1-10 Twist 1/2-36 Thread A2 Flash Hider Black 9MM0388B. Established using several of the most robust and dependable materials in existence these AR15 Upper Receivers via... ... more

Rock River Arms Completed Upper Receiver A4 9MM Luger 4.5 Inch Barrel 1-10 Twist 1/2-36 Thread Free-Float Handguard Vortex Flash Hider Black 9MM0368

Rock River Arms Completed Upper Receiver A4 9MM Luger 4.5 Inch Barrel 1-10 Twist 1/2-36 Thread Free-Float Handguard Vortex Flash Hider Black 9MM0368. . Formulated working with several of the very most robust and dependable materials available these... ... more