Everything you need for your custom build, and nothing you don't. Just the basics from KAK.
- Bolt catch kit
- Magazine catch kit
- Takedown pin, detent, & spring
- Pivot pin, detent, & spring
- Buffer retainer pin & spring
- Ambi Selector, detent, & spring
- Hammer & trigger pins
- Hammer, trigger, & disconnect spring
De-grease ambi selector screw threads and apply blue loctite when assemblying, Tq selector screws to 5-7 in/lbs or hand-tight
