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  1. PWS MK110 Rail

    PWS MK110 Rail

    The MK1 series, developed by Primary Weapons Systems, is a significant product improvement for the M4/M16-type carbines and rifles. Utilizing our proven long stroke piston system, the MK1 series greatly reduces fouling in the action of the weapon making it as reliable as the AK47 that it was designed after. 

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  2. PWS MK112 Rail

    PWS MK112 Rail

    The MK1 series, developed by Primary Weapons Systems, is a significant product improvement for the M4/M16-type carbines and rifles. Utilizing our proven long stroke piston system, the MK1 series greatly reduces fouling in the action of the weapon making it as reliable as the AK47 that it was designed after. 

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  3. Blaze Orange Nylon Fiber Piston - Full Teeth

    Blaze Orange Nylon Fiber Piston - Full Teeth

    This piston is comprised of new materials never before used combined with innovative processes. The Madbull PX piston is designed with full metal teething and hardened nylon fiber. The metal teeth is produced with MIM (Metal Injection Molding), which gives the teeth a degree of flexibility without breaking. The body is molded with Blaze Orange Nylon Fiber. Learn More
  4. PWS Enhanced Mil-Spec Buffer Tube

    PWS Enhanced Mil-Spec Buffer Tube

    Theï¾ PWS Enhanced Buffer Tube is the first major upgrade and improvement to the buffer tube in years! This one piece billet buffer tube is CNC machined out of solid 7075 aluminum in order to gain lightweight strength and reliability.ï¾  This unit is specifically designed to workï¾ fit the HK416, butï¾ will alsoï¾ fit allï¾ mil-spec lower receivers.ï¾  The Enhanced Buffer Tube will resolve any carrier tiltï¾ symptoms exhibited by a short stroke piston AR and will reduce felt recoil.

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  5. Barrett REC7 Gas Block Kit — 14.5" Barrel

    Barrett REC7 Gas Block Kit — 14.5" Barrel

    The Barrett REC7 is one of the most reliable piston-driven rifles which is designed for both 6.8 and 5.56mm calibers. The REC7 patented gas block prevents excessive carbon build-up from operation under adverse conditions and make the rifle extremely reliable, clean, and low maintenance. As stated on the Barrett website: “Compact, accurate and completely trustworthy, the REC7 is designed specifically for situations in which there’s no room for errors!” 

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  6. PWS Diablo Handguard kits - Dark Earth

    PWS Diablo Handguard kits - Dark Earth

    The Diablo Upper is Primary Weapons Systemsï¾’ answer to the 7ï¾” AR-15/M-16 series upper. Rather than simply bolting on an existing product and calling it revolutionary, PWS stepped back and designed a system from the ground up to work specifically with the extreme pressures of the 7ï¾” barrels. We started with the barrel and after careful research decided on a 7ï¾” (not 7.5ï¾”) stainless steel polygonal bore barrel with a 1:8 twist. A match bolt carrier assembly is housed inside of a MUR-1 (mil-spec) upper receiver with a billet machined charging handle. Low profile quad rails give the most possible room for accessories and XTM rail covers. The Diablo upper utilizes a long stroke piston system for additional dwell time and smooth recoil. The system is rounded out with the new CQB comp from PWS - a comp designed for short barrels that compensates, suppresses flash and directs all the blast forward.

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