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Rock River Arms (1 to 15 of 15)


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Rock River Arms A4 9mm 10.5" Upper Receiver

Rock River Arms A4 9mm 10.5" Upper Receiver

Sub-caliber upper assemblies allow fast and simple conversion of ARs chambered in .223 to 9mm Luger. True, dedicated, complete upper receivers are assembled from military specification components; includes a Wilson, 1-10 twist barrel, bolt and carrier,...

630.00

Rock River Arms A4 9mm Mid-Length Complete Upper Receiver

Rock River Arms A4 9mm Mid-Length Complete Upper Receiver

Sub-caliber upper assemblies allow fast and simple conversion of ARs chambered in .223 to 9mm Luger. True, dedicated, complete upper receivers are assembled from military specification components; includes a Wilson, 1-10 twist barrel, bolt and carrier,...

575.00

Rock River Arms A4 9mm Upper Receiver

Rock River Arms A4 9mm Upper Receiver

Sub-caliber upper assemblies allow fast and simple conversion of ARs chambered in .223 to 9mm Luger. True, dedicated, complete upper receivers are assembled from military specification components; includes a Wilson, 1-10 twist barrel, bolt and carrier,...

559.99

Rock River Arms Ar-15 9mm Upper Receiver Assembly

Rock River Arms Ar-15 9mm Upper Receiver Assembly

Sub-caliber upper assemblies allow fast and simple conversion of ARs chambered in .223 to 9mm Luger. True, dedicated, complete upper receivers are assembled from military specification components; includes a Wilson, 1-10 twist barrel, bolt and carrier,...

529.99

Rock River Arms Ar-15 A4 Stock Collapsible Commercial

Rock River Arms Ar-15 A4 Stock Collapsible Commercial

Six position, extendable stock lets you select the length of pull best suited to your shooting needs. Converts your rifle to A-4-style with the added benefit of shorter overall length. Includes buffer tube, receiver lock plate, lock nut, rear sling swivel,...

75.99

Rock River Arms Ar-15 Carbine Buffer

Rock River Arms Ar-15 Carbine Buffer

For use with an A-4 Collapsible Buttstock. Mfg: Rock River Arms

12.99

Rock River Arms Ar-15 Le Entry Stock Fixed Carbine Length

Rock River Arms Ar-15 Le Entry Stock Fixed Carbine Length

A full stock, with the same length as a collapsed M4, CAR stock; quick to shoulder, fast handling and maneuverable in confined or restricted areas. Provides a consistent and comfortable cheek weld for greater control and accuracy. Compact dimensions reduce...

69.99

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

Rock River Arms Ar-15/M16 9mm Drop-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

175.00

Rock River Arms Ar-15/M16 Fixed Stock To Carbine Spacer

Rock River Arms Ar-15/M16 Fixed Stock To Carbine Spacer

Spacer Machined Delrin. 2-1/8" (5.4cm) long. Fits buffer tube for standard, fixed A1/A2-style AR-15/M16 buttstock. Mfg: Rock River Arms

8.99

Rock River Arms Ar-15/M16 Nm Free Float Barrel Sleeve

Rock River Arms Ar-15/M16 Nm Free Float Barrel Sleeve

Two-piece steel tube isolates barrel from forend pressure for consistent accuracy on target and tactical rifles. Lets you use a tight shooting sling or a bipod without putting external pressure on barrel and shifting point of impact. Furnished with A2...

114.99

Rock River Arms Ar-15 M4 Stock Wrench

Rock River Arms Ar-15 M4 Stock Wrench

Steel, dual function wrench lets you easily remove your old extension tube and install a new-style, A4 stock. Spanner has three lugs to fit the A4-style castle nut. Provides a non-slip fit so you can hand tighten the castle nut to the receiver. Also,...

9.99

Rock River Arms Ar-15 National Match 2-Stage Trigger

Rock River Arms Ar-15 National Match 2-Stage Trigger

Drop-in, match grade trigger provides a crisp, 4 1/2 to 5 lb., 2-stage, trigger pull to improve accuracy for competition or varmint shooting. Sear engagement point is located behind the hammer to reduce pull weight. Low mass hammer speeds lock time. Includes...

119.99

Rock River Arms Ar-15 Star Safety Selector

Rock River Arms Ar-15 Star Safety Selector

Round thumb pad gives fast, positive operation; especially important when wearing gloves. Rolls easily under your thumb for faster application or release. Mfg: Rock River Arms SPECS: 4140 steel, black, matte finish. For semi-auto AR-15 only.

9.99

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

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

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

27.99

Rock River Arms Forged A4 Upper Receiver Assembly

Rock River Arms Forged A4 Upper Receiver Assembly

Forged aluminum A4 style upper receivers with ejection port cover and forward assist installed. Features M4 feed ramps. Mfg: Rock River Arms

96.99