Alpha Precision X-Coupler cooking It neutralizes the corrosive acid

It neutralizes the corrosive acid residue built up from the plastic shot shells

Waterproof: IP6

while subtle

Leaves no abrasive residue on cases

Alpha Precision X-Coupler cooking It neutralizes the corrosive acidDesigned to couple 2xPMAG together Robust black polymer construction for long term durability Securely couples two magazines for faster reloads Lightweight, low profile design for minimal bulk Tight clamping interface for consistent magazine alignment Improved handling and balance during transitions Compatible with a wide range of common rifle magazines The magazine coupler is designed to streamline reloads, and the Alpha Precision X Coupler Black