Our Officer Mainspring Housing round butt 15 LPI checkering is machined from billet aluminum, and is 1/3 the weight of traditional steel.
Our Government/Commander Mainspring Housing with Frag pattern is machined from bar stock.
Our Government/Commander Mainspring Housing with Chain Link pattern is machined from bar stock.
Our Naked Mainspring Housing comes from Bar stock
Guncrafter Industries stainless steel Mainspring Housing, with our 20LPI checkering and lanyard loop.
