LRF right side bolt release is the bolt release for LRF (Lower Receiver, FCD), a collaboration between us and Sons of Liberty Gunworks (SOLGW), LRF can be purchased from SOLGW's site
https://sonsoflibertygw.com/shop/fcd-ambi-lr/ and SOLGW dealers.
Available with either horizontally serrated or AA (All Angled, or dimpled) lever, it comes as a complete kit consists of the bolt release, longer plunger/actuator rod, a partially threaded set screw, and a spring.
To install the right side bolt release:
1. Place the spring in the right side bolt catch slot, on top of the round spring hole
2. Place the right side bolt release on top of the slot, with the serrated / dimpled paddle facing the rear of the receiver.
3. With a finger holding the right side bolt release (it's now under spring tension), insert the set screw from the top of the receiver, it's the fulcrum of the bolt release / lever, smooth / unthreaded side first, use a 1/16 Allen key and screw the set screw till flush. Do not use thread locker.
LRF's right side bolt release may look similar to other bolt releases available on other lowers, it is only guaranteed to work on the LRF and ZEV ambi lower receivers.
Also compatible:
CMT ambi lowers.
Grey Ghost Precision ambi lowers.
Noveske Gen 4 lowers