416R Stainless Steel, Hand Lapped, Cryogenically treated. .223 Wylde Chamber, 1:8 twist. Threaded 1/2-28, Barrel diameter .750 at gas block seat, with barrel extension and pin. Weight 37.3 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.