How it all comes together. Adjustable exhaust cover. Overmold grip. Quick release connect. Easy release latch. Bump fire trigger. Contact safety mechanism. Easy load magazine. Features: compact, lightweight design; easy drop in loading; bump fire trigger. Genuine T50 staples: 1/4 inch (6 mm) no. 504; 5/16 inch (8 mm) no. 505; 3/8 inch (10 mm) no. 506; 1/2 inch (12 mm) no. 508; 17/32 inch (13 mm) no. 508; 9/16 inch (14 mm) no. 509. www.arrowfastener.com. Made in China.