The Sig Sauer PM400 pistol in .300 Blackout pairs a direct gas impingement system with SIG516-inspired ergonomics for a dependable AR-pattern shooting experience. Built with black hard-coat anodized upper and lower receivers and a 1913 Picatinny flat-top rail, it features locking flip-up iron sights and ambidextrous controls. The 9-inch, chrome-lined contoured barrel uses an A2 flash suppressor and is equipped with the SB15 stabilizing brace for ready handling.
Key Features
9-inch .300 Blackout barrel with chrome-lined, contoured construction
Direct gas impingement cycling for an AR-pattern performance feel
1913 Picatinny flat-top upper for easy optic mounting
Locking flip-up iron sights for reliable backup aiming
Ambidextrous controls for comfortable left- and right-handed use
A2 flash suppressor to help manage muzzle flash
If you want a compact .300 Blackout pistol built on an AR-style platform, the Sig Sauer PM400 is a strong choice for range days and practical setups.
