Made of a specially developed Military Grade reinforced, super tough polyamide; Slide-on replacement for original collapsible butt stock; Quick Detach Sling mounting point is positioned for optimum usage including ambidextrous shooters; Angled non-slip rubberized buttpad allows faster presentation, even with body armor; Upper section provides enhanced cheek weld; Patent Pending; For mil spec size 1.148 diameter receiver extensions (buffer tube); Black Finish; Made in the USA