Newly designed tele-stock is completely radiused of sharp edges, beefed up around the trigger latch area, and features a square hole design to allow sand, dust, & dirt to escape the tube area. Special body style is ribbed for extra strength & durability. The tube was specially designed with a lower lip that acts as a timing lip to insure the buffer retainer is held correctly and extension is positioned in the correct location. Dry film lubed for smooth action. Offers six positions of adjustment to fit nearly everyone.