Adams Arms P Series Mid Length Piston Kit AR Style 223 Remington/5.56
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The Adams Arms P Series Mid Length Piston Kit a short stroke free floating piston system that is self-cleaning and has a corrosive resistant coating. The kit includes an one-piece bolt carrier, a non-adjustable P Series micro block, upper receiver bushing and installation rod, bolt spring, and a drive rod with bushing and spring.
This model also includes an installation DVD.