FRT-RD3™ Selector Detent Kit

FRT-RD3™ Selector Detent Kit — genuine Rare Breed FRT® part

Keep your Rare Breed FRT running like new with the genuine FRT-RD3™ Selector Detent Kit. This part replaces the selector detent on your FRT-RD3™, and it’s built to the same exacting standard as our triggers for a precise, factory fit — no third-party substitutes, no guesswork.

Compatibility

Fits: the FRT-RD3™ (SEF) and FRT-RD3™ (AMBI). Running a different platform? Browse the full FRT triggers for sale to find the right FRT trigger for your firearm.

Why buy genuine Rare Breed parts

Rare Breed Triggers is the exclusive licensee of the U.S. patents behind forced reset trigger technology, and every part we sell is designed and made to work perfectly with your trigger. Genuine parts protect your warranty and your safety — if it isn’t from Rare Breed, it isn’t a real FRT® part.

Fitting out a full build or keeping a spare on hand? Pair it with related HK MP5 & SP5 parts like FRT-RD3™ Safety Detent Kit, FRT-RD3™ Locking Bar Dog Screw Kit.

Installation & support

For correct setup, follow our installation guides, and see the FRT mechanism guide to understand how the selector and internals work together. Questions about fitment? Check our FAQs.

Buy genuine FRT trigger parts online

Add this selector detent kit to your cart and buy direct from Rare Breed Triggers. Browse all FRT trigger parts & accessories, or shop the complete HK MP5 & SP5 forced reset triggers if you need a trigger as well.