Protean Innovations Stability XT Rifle Bipod | USCCA

The Designated Marksman Rifle (DMR) was originally a modified and accurized M16 issued to specialized military personnel. It was designed to extend the effective range of the M16 and its 5.56mm cartridge beyond 250 yards in open desert environments. There are three key modifications that are the hallmarks of the DMR — a telescopic sight, a heavy barrel (usually 18 inches) and a bipod.

This is a companion discussion topic for the original entry at