Aero Precision Fix-It Kit for AR-15 / AR-10

Fix-It Kit Features Aero s Fix-It Kit gets you the most commonly lost parts to finish your build. All parts in the Fix-It kit are compatible with AR15 M4E1 and M5 builds. Kit includes- 4- Takedown Pin Detents 4- Takedown Pin Springs 2- Bolt Catch Roll Pins 2- Trigger/Hammer Pins 2- Safety Selector Springs 2- Safety Selector Detents 2- Buffer Retainers 2- Buffer Retainer Springs 2- Disconnector Springs 2- 4-40 Set Screws (for threaded takedown pin detent hole) and a threaded Roll Pin. Made in the USA. Fix-It Kit Specifications Includes: Takedown Pin Detent (4) Takedown Pin Spring (4) Bolt Catch Roll Pin (2) Trigger/Hammer Pin (2) Safety Selector Spring (2) Safety Selector Detent (2) Buffer Retainer (2) Buffer Retainer Spring (2) Disconnector Spring (2) 4-40 Set Screw (for threaded takedown pin detent hole) (2)