Primary Weapon Systems is coming out with a Piston Kit. The official release date is targeted for December of 2007. A full Review will be performed in the up coming weeks / months. For now, here are some teaser pics and a video.

FEATURES:
*Dual Diameter Piston For Better Alignment and Less Wear
*QD disassembly for cleaning
*Operating Rod attached to carrier to minimize carrier defection and receiver wear.
*3 setting adjustable gas system with gas shut off for “Bolt Gun” suppressed firing
*All machined and heat treated parts, nothing welded or cast
*No machined modification to carrier or upper receiver


MSRP: $399




















More Pictures to Follow and Comments Welcome!