The Adams Arms P Series Rifle 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.
|Size||223 Remington/5.56 NATO|
Determined at checkout.