Ruger American Rimfire 8378 Complete Specs and Full Gun Specifications

Two-tone target stock features a two-way adjustable comb, adjustable length of pull with soft rubber buttpad, QD attachment points and flush-mounted lower M-LOK® rail. Includes the patented, detachable, flush-mounted BX-1, 10-round rotary magazine and accepts all 10/22® magazines, including the BX-25®, BX-25®x2 and BX-15®. Easy-to-use, extended magazine release provides smooth, no-fuss removal of the flush-mounted magazine. Patented Power Bedding® integral bedding block system positively locates the receiver and free-floats the barrel for outstanding accuracy. Ruger Marksman Adjustable™ trigger offers a crisp release with a pull weight that is user adjustable between three and five pounds, allowing shooters to make that perfect shot. Features a visible, accessible and easy-to-actuate tang safety that provides instant security. Threaded 0.860" bull barrel with factory-installed knurled thread protector is cold hammer-forged, resulting in ultra-precise rifling that provides exceptional accuracy and longevity. Factory-installed one-piece aluminum scope rail. A 60° bolt throw provides ample scope clearance and the easy-to-use, receiver-mounted bolt release allows the bolt to be readily removed without requiring a pull of the trigger, a unique safety feature among rimfire, bolt-action rifles.