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Rock River Arms

Ready to buy Rock River Arms? Brownells.com carries the best selection at the lowest prices around. Our selection of 17 Rock River Arms represents the best of the best, on sale at prices from $4.00 to $630.00. As the number one online retailer of gun parts and gunsmith tools we are able to provide excellent customer service, great prices, and top quality merchandise, every day. We're so convinced you'll be happy with all our Rock River Arms that we offer a 100% customer satisfaction guarantee. If you're not completely satisfied with your purchase let us know so we can make it right. So, browse our wide selection of Rock River Arms - we know you'll find what you're looking for. When you're ready to place an order, use our easy checkout or give us a call. As always, we're here to help meet all of your needs for gun parts and gunsmith tools, so if you don't find what you're looking for online, drop us a line and let us know.

Showing 1-12 of 17
  1. Rock River Arms 739-000-010 Ar-15 M4 Stock Wrench
    Item#:
    739-000-010  
    Our Price:
    $9.99
    Description:
    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, the comfortable, rubber coated handle features a cutout to fit the receiver extension tube to remove the A1 or A2 stock. Mfg: Rock River Arms SPECS: Steel, parkerized finish. 7-5/8" (19.3cm) long.
  2. Rock River Arms 739-000-006 Ar-15 Carbine Buffer
    Item#:
    739-000-006  
    Our Price:
    $11.99
    Description:
    For use with an A-4 Collapsible Buttstock. Mfg: Rock River Arms
  3. Rock River Arms 739-000-021 Forged A4 Upper Receiver Assembly
    Item#:
    739-000-021  
    Our Price:
    $96.99
    List Price: $125.00
    Description:
    Forged aluminum A4 style upper receivers with ejection port cover and forward assist installed. Features M4 feed ramps. Mfg: Rock River Arms
  4. Rock River Arms 739-000-011 Ar-15 National Match 2-Stage Trigger
    Item#:
    739-000-011  
    Our Price:
    $119.99
    Description:
    Drop-in, match grade trigger provides a crisp, 4½ 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 trigger and hammer pins. Fits AR-15 receivers with .154'''' hammer and trigger pins. Mfg: Rock River Arms SPECS: Steel, matte black finish. Fits AR-15 receivers with .154'''' hammer/trigger pins only.
  5. Rock River Arms 739-000-007 Ar-15 Star Safety Selector
    Item#:
    739-000-007  
    Our Price:
    $9.99
    Description:
    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.
  6. Rock River Arms 739-000-016 Car-15/M4 9mm Carbine Buffer
    Item#:
    739-000-016  
    Our Price:
    $27.99
    Description:
    9mm Carbine Buffer - Steel, matte black oxide finish. Mfg: Rock River Arms
  7. Rock River Arms 739-000-005 Carbine Length Recoil Spring
    Item#:
    739-000-005  
    Our Price:
    $4.00
    Description:
    For use with an A-4 Collapsible Buttstock. Mfg: Rock River Arms
  8. Rock River Arms 739-000-003 Ar-15/M16 Nm Free Float Barrel Sleeve
    Item#:
    739-000-003  
    Our Price:
    $120.74
    Description:
    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 handguards, sling swivel and gas tube. DCM legal, does not alter exterior profile. Mfg: Rock River Arms SPECS: Steel, parkerized finish. High-temp injection-molded handguards, black. 13" (33cm) long. 16 oz. (454 g) weight. Fits AR-15 with 20" barrel.
  9. Rock River Arms 739-000-009 Ar-15  Le Entry Stock Fixed Carbine Length
    Item#:
    739-000-009  
    Our Price:
    $57.99
    Description:
    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 overall length to 32'''' when used with a 16'''' barrel. Furnished with carbine-length buffer, tube and recoil spring. Mfg: Rock River Arms SPECS: Fiberglass/kevlar, black, matte finish. 7'''' (17.8cm) long.
  10. Rock River Arms 739-000-019 Ar-15/M16 Fixed Stock To Carbine Spacer
    Item#:
    739-000-019  
    Our Price:
    $8.99
    Description:
    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
  11. Rock River Arms 739-000-018 Ar-15/M16 9mm Drop-Conversion Block
    Item#:
    739-000-018  
    Our Price:
    $175.00
    Description:
    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
  12. Rock River Arms 739-000-022 A4 9mm 10.5'''' Upper Receiver
    Item#:
    739-000-022  
    Our Price:
    $630.00
    Description:
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