Breakthrough Ar15 Lower Block - W/ Pivot Lock Autopilots Number of Terminal Studs: 4

Number of Terminal Studs: 4

UPC : 702755041122

For big-game optics in a rimfire riflescope Simmons

Elasticized suspenders adjust for a custom fit and are equipped with quick release style buckles

UPC : 062533984868

Breakthrough Ar15 Lower Block - W/ Pivot Lock Autopilots Number of Terminal Studs: 4The breakthrough clean technologies ar15 lower block with pivot lock is designed for seamless firearm maintenance. By inserting it into the magwell, it provides a snug, secure fit, effortlessly locking in place using the receiver's magazine lock. This block can be easily clamped onto any vise, enabling convenient and stable cleaning and maintenance. It features an integrated hammer stop tool, safeguarding the receiver from damage during dry firing. As