.223 Wylde Chamber. Threaded, 1/2-28 thread, with barrel nut, handguard cap and front sight housing with bayonet lug, Barrel diameter .750 at front sight base. Weight 58 ounces.

THE .223 WYLDE CHAMBER WAS DESIGNED AS A MATCH CHAMBERING FOR SEMI-AUTOMATIC RIFLES. IT WILL ACCOMODATE BOTH .223 REM AND 5.56MM NATO AMMUNITION. IT IS RELIEVED IN THE CASE BODY TO AID IN EXTRACTION AND FEATURES A SHORTER THROAT FOR IMPROVED ACCURACY.

Includes extension and pin.