Radical Firearms Pistol Kit 5.56 NATO 10.5" Pistol Length Barrel - 10" RPR Handguard

Manufactured by Radical Firearms
SKU: PK-5.56M4-10RPR
MPN: PK-5.56M4-10RPR
Manufactured by Radical Firearms
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NOTE: The upper assembly has a barrel less than 16" in length. These uppers are intended for use in AR pistols or legal short-barreled rifles. Other configurations may violate Federal law.

The Radical Firearms Pistol Kit makes completing a new 5.56 NATO AR pistol build easy. This kit is great for do-it-yourself builds and includes everything but the MIL-STD lower receiver. A Radical Firearms 5.56 NATO 10.5-inch barrel, 10-inch RPR handguard, mil-spec lower parts kit, and pistol buffer tube kit are included in this pistol kit, so you can finish the build you've been working on or get started on your next project.

  • 10.5" M4 Profile Barrel
  • 4140 Chrome Moly Vanadium Material with Melonite Finish
  • 1/2x28 Muzzle Thread
  • Chambered in 5.56 NATO
  • 1:7 Twist Rate
  • M4 Feed Ramp
  • Carbine Length Gas System
  • .750 Low Profile Gas Block
  • A2 Flash Hider
  • Forged 7075-T6 Upper Receiver with Type III Anodized Finish
  • M4 MIL-STD Upper Receiver Style
  • Includes Forward Assist and Dust Cover
  • 10" RPR Free Float M-LOK Handguard
  • Mil-Spec Lower Parts Kit
  • Pistol Buffer Tube Kit
  • Made in the U.S.A. in Stafford, Texas
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Barrel Coating
Bolt Carrier Group
BrandRadical Firearms
HP Tested
MPI Tested
California Prop 65 warning

 WARNING: This product can expose you to chemicals, which are known to the State of California to cause Cancer and Reproductive Harm. For more information go to www.P65Warnings.ca.gov.

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