Items Available For Purchase Today Object reference not set to an instance of an object. See All Tapco AR Receiver Extension Build Kit – Commercial For Sale from: Discount Tactical Supply ( FFL) | Positive feedback: 97% View | Verified Seller | 976 Completed Sales View Sellers Items Tapco AR Receiver Extension Build Kit – Commercial 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 - $54.99 Shipping: $5.49 (or FREE in-store pick up!) Accepted Payment Methods: Returns: No Returns This Seller Accepts Instant Online Payments Description: Whether you're building from the ground up, or replacing existing parts, this is the receiver extension build kit you need. Includes M4 Buffer Tube, Castle Nut, TAPCO End Plate Sling Adaptor, Buffer, and Recoil Spring. · Commercial spec (1.168”) Buffer Tube kit · Made in the U.S.A. Condition: New In Box Brand: Tapco Model: 751348007441 ZAR09018 Item #: 965108304 Stock No.: ZAR09018 Location: TX Trades Accepted: Yes Share: Shipping Notes: See Description Items You've Viewed Recently Tapco AR Receiver Extension Build Kit – ... $54.99 SELLER: Discount Tactical Supply (FFL Dealer) Add To Cart