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Bolts & Buffers

  • JP 9mm AR Firing Pin Spring

    Replacement Firing Pin Spring for JP 9mm Bolt (JPBC-9MMA) This firing pin spring is compatible only with the JP 9mm Bolt and firing pin and should not be used with any other bolt assembly.

  • AR-15/M16 AR-9 AR-22 Upper Receiver Bolt Saver

    Molded polymer cover fits in the underside of a disassembled AR-15 .22 conversion upper receiver to prevent the bolt from falling out and keep dirt and debris out of internal components. Can be installed on any standard...

  • .308 Carbine Buffer Spring
  • KVP 17-4 SS Pistol Caliber Carbine XP Spring

    Pistol caliber carbines such as 9mm, .40 S&W, .45 ACP, and 10mm are a blast to shoot but can be tough on AR-15's internal components. Without a properly tuned blowback system, you run the risk of being overly destructive...

  • JP 9mm AR Firing Pin

    Replacement Firing Pin for JP 9mm Bolt (JPBC-9MMA) This firing pin is compatible only with the JP 9mm Bolt and should not be used with any other bolt assembly.

  • KVP 9mm Firing Pin

    An extra firing pin is a perfect addition for your range bag. If you are a recreational shooter, or a competitor in USPSA PCC Class shoots don't let your range day or competition end early. We rarely have firing pins break...

  • MBX Carbine Buffer Spring & Pad

    YELLOW Carbine Spring recommended for most Standard Applications min 115 Power Factor up to 145 Power Factor.   WHITE Carbine Extra Long Spring recommended for 140 Power Factor and Above...

  • Taccom Heavy PCC Carbine Recoil System

    We designed this recoil system specifically for the 9mm blowback action. A standard buffer is 3.25” and travels too far into the buffer tube, then slams into your bolt release. We’ve made ours longer so that you...

  • Taccom Complete ULW 9mm Recoil System

    We’ve come thru with what will be the ultimate recoil system for the 9mm carbine!! A very robust system that will allow you to custom tune with the spare parts you probably already have. Designed to be installed as is...

  • KVP 7.5oz Blowback SS Buffer

      Pistol caliber carbines such as 9mm, .40 S&W, .45 ACP, and 10mm are a  blast to shoot but can be tough on AR-15's internal components. Without a properly tuned blowback system, you run the risk of being...

  • Pistol Caliber Carbine 6 Position Mil-Spec Stock Completion Kit

    The KVP Pistol Caliber Carbine 6 Position Mil-Spec Stock Completion Kit, w/ KVP 7.5 oz SS Blowback Buffer and KVP XP SS Spring.   Pistol caliber carbines such as 9mm, .40 S&W, .45 ACP, and 10mm are a blast to...

  • MBX Recoil Reduction System "Patent pending"

    The MBX "Patent Pending" Buffer is Designed specifically for Pistol Carbine Caliber. Features an Internal Spring captured within the Buffer to allow for the Buffer/Bolt speed to be significantly reduced during the cycling...

  • KVP 9mm AR Bolt

    The Kaw Valley Precision 9mm BCG is a feature packed solution for your 9mm Blow Back Carbine or Pistol. Our 9mm BCG is compatible with either Glock or Colt style magazines. The carrier is constructed of US made 8620...

  • 9mm Silent Captured Spring - GEN 2

    Silent Captured Spring (patented) 9mm AR Version The 9mm Silent Captured Spring provides the same improvements of smoother operation and reduced cycling noise as our gas gun models. Compatibility The 9mm SCS requires...

  • Faxon 9mm PCC Blowback Full-Mass Bolt Carrier Group - Complete - Nitride

    We just can't help not accepting the status quo. Bolt carrier groups are available aplenty, but few could meet our exacting standards for performance and value. Seeing current offerings as just the starting point, we set out...

  • QC10 9mm AR Bolt

    Quarter Circle 10, THE AR Pistol Caliber BRAND. Leader in top of the line, dedicated AR15 Pistol Caliber parts. 9MM Glock Style Bolt Assembly Advanced blowback design Manufactured to function reliably with Glock...

  • JP Enhanced 9mm AR Bolt

      Machined to the same exacting tolerances as our bolt carriers, this second generation 9mm bolt assembly is an entirely new design that eliminates the need for a central mass (slug) to readily function with our 9mm JP...

  • JP Enhanced 9mm AR Bolt with Gen 2 JPSCS2-9MM

     JP Enhanced 9mm AR Bolt Machined to the same exacting tolerances as our bolt carriers, this second generation 9mm bolt assembly is an entirely new design that eliminates the need for a central mass (slug) to readily...