These handy pistol caliber carbines are Olympic Arms originals and are some of the best AR style pistol caliber carbines on the market. Designed with a straight blow-back system and patented conical shaped bolt and chambering built into an unbelievably reliable rifle. Their design has the mag well block adapter attached to the magazine body, so there is no need for mag well inserts. All pistol caliber carbine rifles are available as upper conversion units. Each upper conversion unit includes a completely assembled, head-spaced, and test fired upper receiver and the proper magazine. Also available are picatinny flat top upper receivers for each version.
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