Home / BARRELS / GLFA BARREL AR15 .450 B-MASTER 18″ 1:24″ TWIST BLACK NITRIDE GLFA BARREL AR15 .450 B-MASTER 18″ 1:24″ TWIST BLACK NITRIDE Manufacturer : Great Lakes Firearms & Ammo UPC : 702458689706 SKU: d41d8cd98f00 Category: BARRELS Product ID: 137581 Related products CMMG BARREL W/BOLT KIT 9MM 8″ RDB BLACK $47495 ODIN BARREL .223 WYLDE 18″ 3-GUN PROFILE RIFLE LENGTH $32500 CMMG BARREL W/BOLT KIT .45ACP 5″ RDB BLACK $44995 ODIN BARREL 6.5 GRENDEL 16″ LIGHT PROF. INT. LENGTH W/BCG $47500