There are many small pins, springs, and retainers that you deal with when building your own AR-15. Working with these small parts can be aggravating to say the least, much less losing one of those pieces. Having the XTS spare parts set, includes everything you need and anything you "might" need. Along with saving you the hassle of find a needle in a hay stack. This part set fits 5.56/.223 and comes with a total of 18 parts.

Features and Specifications:
Manufacturer Number: XTS-SPS XP
Material: Hardened Steel
Finish: Plated
USA Made!

Includes:
2 - Buffer Retainer
2 - Firing Pin Retaining Pin
2 - Safety Detents
4 - Takedown Pin Detents
2 - Safety Detent Springs
4 - Takedown Detent Springs
2 - Buffer Retainer Springs