Shoot better with the Guntec USA AR-15 Enhanced Lower Parts Kit w/ Upgrades. These AR15 Lower Parts by Guntec USA are enhanced with an anodized finish, and include essential parts like the Ambidextrous Safety, a Trigger guard, extended takedown pins and an extended bolt catch release. The Guntec USA AR15 Enhanced Lower Parts Upgrade Kit even comes with Anti-Rotation Pins to prevent your bolt catch from getting stuck, making this a must-have for shooters who want to take down their rifles with ease. Pick up the Guntec USA AR-15 Enhanced Lower Receiver Parts Kit w/ Upgrades before your next outing for the best possible additions to your rifle. Specifications for Guntec USA AR-15 Enhanced Lower Parts Kit w/ Upgrades: Manufacturer: Guntec USA Finish: Anodized Gun Model: AR-15 Weight: 15 oz Features of Guntec USA AR-15 Enhanced Lower Parts Kit w/ Upgrades Anodized Finish on Upgraded Parts. Ambi Safety. Trigger Guard. Extended Takedown Pin Set. Mag Catch Lever. Extended Button. Anti-Rotation Pins. Extended Bolt Catch Release. Package Contents: Guntec USA AR-15 Enhanced Lower Parts Kit w/ Upgrades