“Tag: direct-gas-impingement self-loading rifle”

Product Preview: Standard Manufacturing STD-15 Model A

The STD-15 Model A is a carbine-length, direct-gas-impingement self-loading rifle, available in either left- or right-hand configurations, that feature an M4 barrel, nitride bolt carrier group, and a delta-ring and clamshell-style handguard that has M-Lok slots.