40oz Weight system developed for use with the Magpul UBR Gen1 collapsable butt stock
Gen1 - 40oz Weight System
Stealth Ballistics 40oz weight system for the Magpul UBR. Designed to add sufficient weight to properly balance your rifle when using handguard weight. Weight is easily reduced by simply drilling holes through the lead.
The set includes 2 extended cover plates and weight. BLACK Cover Plates.