Overview Reviews Similar Products Product Description DPMS A2 Standard Butt-Stock Extension Tube For AR-15 non-collapsing stock types. Product Videos Custom Field Product Reviews (No reviews yet) Write a Review Write a Review × DPMS DPMS AR-15 A2 Standard Butt-stock Extension Tube Rating * Select Rating 1 star (worst) 2 stars 3 stars (average) 4 stars 5 stars (best) Name *Email *Review Subject *Comments Find Similar Products by Category Recommended Quick view SAA AR-15 A2 RIFLE Standard Butt-stock Buffer Tube Quick view SAA AR-15 A2 RIFLE Standard Butt-stock Buffer Spring Quick view SAA Standard AR-15/AR-10 A2 Pistol Grip - Black $1.99 Add to Cart Quick view CMMG AR-15 A2 RIFLE Standard Buffer Weight