Because of popular demand Sig Sauer has developed a line of Direct Gas Impingement AR-15s to complement their line of SIG 516 piston-operated ARs.
The SIG M400 features a SIG 516 lower receiver with it ambidextrous magazine release, rear quick-detach sling mount and tensioning device that ensures a tight lockup between the lower and upper receivers. The upper is a standard M4-style upper receiver. The enhanced model features Magpul OEM stock, pistol grip and handguard.
|Barrel||16″ M4 profile|
|Rear Sight||Carry Handle|
|Trigger pull||7.6 lbs|
|MSRP (Price)||$1065 (standard model)|