For you fans on piston guns (MCX, PWS, SCAR, AK) here is a rare and much acclaimed battle rifle by Sig Sauer. This is a 716 Patrol Gen 1. This is NOT the latest 716i or 716 Tread, which are DI guns. This piston-driven model is basically "unkillably reliable" and is on contract with a very, very large foreign military. As far as I'm aware, this is no longer produced for civilians.

Some Specs:
- adjustable gas regulator (normal, suppressed, off/manual cycle)
- heavy contour barrel
- bombproof pic rail
- ambidextrous controls
- quick detach sling points built into the receivers