Rock River Arms 16in 9mm Mid CM Barrel Assembly Black 9MM0203ASY

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 16in CAR CM Barrel Assembly Black AR0200ASY

Rock River Arms 16in CAR CM Barrel Assembly Black AR0200ASY. 56 Nato Barrel Assembly 16" Chrome MolyHandguard Cap &Front Sight Housing W/Bayonet Lug W/Barrel Nut Specifications for Rock River Arms 16in CAR CM Barrel Assembly: Manufacturer: Rock River... ... 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 16in 9mm Mid CM Barrel Black 9MM0203

Rock River Arms 16in 9mm Mid CM Barrel Black 9MM0203. 750 in Threads per Inch: 1/2x36 Barrel Twist Rate: 1-10 Flutes: No Gun Make: Rock River Arms Gun Model: Universal Weight: 35 oz Package Contents: Rock River Arms 16in 9mm Mid CM Barrel Rock River... ... 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 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 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

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 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 16in 9mm CAR CM Barrel Assembly Black 9MM0201ASY

Rock River Arms 16in 9mm CAR CM Barrel Assembly Black 9MM0201ASY. 750 in Threads per Inch: 1/2x36 Barrel Twist Rate: 1-10 Flutes: No Gun Make: Rock River Arms Gun Model: Universal Weight: 35 oz Package Contents: Rock River Arms 16in 9mm CAR CM Barrel... ... more

Rock River Arms 16in 9mm CAR CM Barrel Black 9MM0201

Rock River Arms 16in 9mm CAR CM Barrel Black 9MM0201. 750 in Threads per Inch: 1/2x36 Barrel Twist Rate: 1-10 Flutes: No Gun Make: Rock River Arms Gun Model: Universal Weight: 35 oz Package Contents: Rock River Arms 16in 9mm CAR CM Barrel Rock River... ... 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 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 16in Mid LTWT CL Barrel Black AR0213CL

Rock River Arms 16in Mid LTWT CL Barrel Black AR0213CL. 56 Nato Lightweight Barrel With Extension And Pin 1:9 Twist Specifications for Rock River Arms 16in Mid LTWT CL Barrel: Manufacturer: Rock River Arms Color: Black Fabric/Material: Chrome... ... 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 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 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

Troy AR-15 A3 Upper Receiver Assembly 223 Wylde 16in Barrel w/ 15.125in SOCC-Series Handguard Black Mid-Length SUPG-A3S-16BT-00

Troy AR-15 A3 Upper Receiver Assembly 223 Wylde 16in Barrel w/ 15.125in SOCC-Series Handguard Black Mid-Length SUPG-A3S-16BT-00. Developed specifically for todays First Responders Law Enforcement and Shooting Enthusiasts. The SOCC M-Lok Battlerail... ... more

Kaw Valley Precision Carbon Fiber 9mm Complete Barrel Upper Receiver 16in Barrel 18in CF Handguard XL Linear Compensator Black Medium KVP-CF9-16XLLC

Kaw Valley Precision Carbon Fiber 9mm Complete Barrel Upper Receiver 16in Barrel 18in CF Handguard XL Linear Compensator Black Medium KVP-CF9-16XLLC. After assembly each upper is test fired to prove its function before leaving our warehouse... ... more

Rock River Arms 16in CAR CM Barrel Black AR0200

Rock River Arms 16in CAR CM Barrel Black AR0200. 56 Nato Barrel With Extension And Pin Specifications for Rock River Arms 16in CAR CM Barrel: Manufacturer: Rock River Arms Color: Black Fabric/Material: Chrome Moly Cartridge: 5.56x45mm NATO Barrel... ... more

Rock River Arms 20in STD CM Barrel Assembly Black AR0220ASY

Rock River Arms 20in STD CM Barrel Assembly Black AR0220ASY. 223 Wylde Heavy Barrel Assembly 1:9 Twist Specifications for Rock River Arms 20in STD CM Barrel Assembly: Manufacturer: Rock River Arms Color: Black Fabric/Material: Chrome Moly Cartridge:... ... more

Rock River Arms 16in Mid SS Barrel Post/No Threads Stainless Steel AR0216

Rock River Arms 16in Mid SS Barrel Post/No Threads Stainless Steel AR0216. 223 Wylde Barrel With Extension And Pin Unthreaded Specifications for Rock River Arms 16in Mid SS Barrel Post/No Threads: Manufacturer: Rock River Arms Color: Steel... ... more

Rock River Arms 18in Mid SS 1-8 Barrel Assembly w/Lp Gas Blk Stainless Steel AR0230ASY

Rock River Arms 18in Mid SS 1-8 Barrel Assembly w/Lp Gas Blk Stainless Steel AR0230ASY. 223 Wylde Barrel Assembly With Low Profile Gas Block Specifications for Rock River Arms 18in Mid SS 1-8 Barrel Assembly w/Lp Gas Blk: Manufacturer: Rock River Arms... ... 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 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

Quarter Circle 10 Side Charging Complete 9mm Upper Receiver Assembly 16in Barrel Black QC-CU-PSCU-G-9-16 Inch

Quarter Circle 10 Side Charging Complete 9mm Upper Receiver Assembly 16in Barrel Black QC-CU-PSCU-G-9-16 Inch. 355 Caliber Features of Quarter Circle 10 Side Charging Complete 9mm Upper Receiver Assembly: QC10 Side Charging Upper Receiver Compatible... ... 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 Mid-Length A4 .450 Bushmaster 16 Inch Barrel 1-24 Twist 5/8-32 Thread Free-Float Handguard Brake Black

Rock River Arms Completed Upper Receiver Mid-Length A4 .450 Bushmaster 16 Inch Barrel 1-24 Twist 5/8-32 Thread Free-Float Handguard Brake Black. 450 Bushmaster Completed Upper. Developed working with some of the most heavy duty and long lasting... ... more

Rock River Arms 16in Mid LTWT CL Barrel Assembly Black AR0213CLASY

Rock River Arms 16in Mid LTWT CL Barrel Assembly Black AR0213CLASY. 56 Nato Lightweight Barrel Assembly 1:9 Twist Specifications for Rock River Arms 16in Mid LTWT CL Barrel Assembly: Manufacturer: Rock River Arms Color: Black Fabric/Material: Chrome... ... more

Rock River Arms Upper Receiver EOP .223 Wylde 18 Inch Barrel Varmint Profile 1-8 Twist Free-Float Handguard Black AR0530

Rock River Arms Upper Receiver EOP .223 Wylde 18 Inch Barrel Varmint Profile 1-8 Twist Free-Float Handguard Black AR0530. 223 Wylde Completed Upper then you have found yourself in the absolute correct location.. These AR15 Upper Receivers through the... ... more

Rock River Arms Completed Upper Receiver Carbine SS .350 Legend 16 Inch Barrel 1-16 Twist 1/2-36 Thread Free-Float Handguard Brake Black 350L0326

Rock River Arms Completed Upper Receiver Carbine SS .350 Legend 16 Inch Barrel 1-16 Twist 1/2-36 Thread Free-Float Handguard Brake Black 350L0326. 350 Legend Completed Upper was developed in order to function as the best product for anyone trying to... ... more

Rock River Arms Completed Upper Receiver Coyote Rifle .223 Wylde 20 Inch Barrel 1-9 Twist 1/2-28 Thread Free-Float Handguard Vortex Flash Hider Black

Rock River Arms Completed Upper Receiver Coyote Rifle .223 Wylde 20 Inch Barrel 1-9 Twist 1/2-28 Thread Free-Float Handguard Vortex Flash Hider Black. 223 Wylde Completed Upper was created to function as the ideally suited product for anybody trying to... ... more

Rock River Arms Upper Receiver A4 .223 Wylde 20 Inch Barrel Varmint Profile 1-8 Twist Free-Float Handguard Black AR0550

Rock River Arms Upper Receiver A4 .223 Wylde 20 Inch Barrel Varmint Profile 1-8 Twist Free-Float Handguard Black AR0550. 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 Completed Upper Receiver Mid-Length A4 .308/7.62X51mm NATO 16 Inch Barrel 1-10 Twist 5/8-24 Thread Mid-Length Handguard A2 Flash Hider

Rock River Arms Completed Upper Receiver Mid-Length A4 .308/7.62X51mm NATO 16 Inch Barrel 1-10 Twist 5/8-24 Thread Mid-Length Handguard A2 Flash Hider. 308/7.62X51mm NATO Completed Upper. Formulated by using several of the most extremely robust and... ... more

Rock River Arms 16in Car CL LTWT Barrel Black AR0232CL

Rock River Arms 16in Car CL LTWT Barrel Black AR0232CL. 56 Nato Lightweight Barrel With Extension And Pin 1:9 Twist Specifications for Rock River Arms 16in Car CL LTWT Barrel: Manufacturer: Rock River Arms Color: Black Fabric/Material: Chrome... ... more

Rock River Arms 16in Mid SS Barrel Post/Fluted/No Threads Stainless Steel AR0216F

Rock River Arms 16in Mid SS Barrel Post/Fluted/No Threads Stainless Steel AR0216F. 223 Wylde Barrel With Extension And Pin Unthreaded Specifications for Rock River Arms 16in Mid SS Barrel Post/Fluted/No Threads: Manufacturer: Rock River Arms Color:... ... more