This guide details the assembly of an LMT MARS-H .308 rifle, featuring a 13.5-inch barrel and monolithic upper receiver. It covers lower receiver preparation, trigger and ambidextrous controls installation, buffer system assembly with castle nut staking, barrel and muzzle device mounting with precise torque specifications, and the addition of optics and accessories. The build emphasizes LMT's unique barrel attachment system and compatibility considerations.
This video by Brownells Gun Tech™ Steve Ostrem demonstrates the proper use of the Williams Front Sight Pusher. The tool is specifically designed for adjusting front sights mounted on a ramp, allowing for installation, removal, or fine-tuning without damaging the firearm. Steve emphasizes the importance of correct tool alignment, ensuring the stationary prongs engage only the ramp and the movable prong contacts solely the sight. He explains how to reverse the tool for adjustments in the opposite direction, showcasing a smooth and effective process. The video highlights the tool's ability to equalize pressure for safe and precise sight manipulation.
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