Items Available For Purchase Today Object reference not set to an instance of an object. See All Advanced Armament Glock 21 .45 ACP Threaded Barrel - New in Box For Sale from: Discount Tactical Supply ( FFL) | Positive feedback: 97% View | Verified Seller | 976 Completed Sales View Sellers Items Advanced Armament Glock 21 .45 ACP Threaded Barrel - New in Box For Sale from: Discount Tactical Supply | Positive feedback: 97% View | Verified Seller | 976 Completed Sales View Sellers Items Discount Tactical Supply Seller Since: Mar. 2014 Identity Verified ( Spring Branch, TX ) Trusted Seller This seller is an FFL City: Spring Branch State: TX SOLD - $199.95 Shipping: $5.49 (or FREE in-store pick up!) Accepted Payment Methods: Returns: No Returns This Seller Accepts Instant Online Payments Description: Threaded pistol barrel for your Glock 21 chambered in .45 ACP. Precision CNC machined from 416R stainless steel with a black Isonite QPQ finish, all AAC silencer ready barrels feature cut broach rifling for compatibility with jacketed and lead ammunition. AAC silencer ready barrels are designed to drop in and function with no fitting required, and feature chamber dimensions that will accept all commercial, SAAMI specification ammunition. Each threaded barrel comes with a knurled thread protector cap. Thread Size .578"-28. · Ready to use, pre-fit drop in. No gunsmithing required. · Precision machined from heat treated 416R stainless forgings. · .578"-28 Thread size. Condition: New In Box Brand: ADVANCED ARMAMENT CORP Model: 847128008903 64229 Item #: 988122764 Stock No.: 64229 Location: TX Trades Accepted: Share: Shipping Notes: See Description Items You've Viewed Recently Advanced Armament Glock 21 .45 ACP Threa... $199.95 SELLER: Discount Tactical Supply (FFL Dealer) Add To Cart