Get pins for your Polymer80's internals with amazing fit.
If you're chasing the perfect Polymer80 build then do this now: upgrade those factory frame pins with ROOK Tactical's precision-machined stainless steel "Perfect Fit" pin kit. This kit is made specifically for the PF45 and gets you replacement "anti-walk" pins for the Rear Rail Module, trigger mechanism, and Locking Block Rail System.
Pair with ROOK's upgraded Rear Rail and Locking Block, and you'll have a PF45 that provides the smoothest trigger and slide operation possible.
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