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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. The front gas block contains a section of rail, and the stock adjusts to six positions. Price: $1,049 (left hand), $999 (right hand). Contact: Standard Manufacturing Co. LLC; (860) 225-6581; stdgun.com.
![Oconnor Small[67]](/media/bu2le2tp/oconnor-small-67.jpg?anchor=center&mode=crop&width=770&height=430&rnd=134126774953630000&quality=60)
![Oconnor Small[67]](/media/bu2le2tp/oconnor-small-67.jpg?anchor=center&mode=crop&width=150&height=150&rnd=134126774953630000&quality=60)
