Frank Proctor Guide Rod Adapter for Glock Gen 4 & 5 Frank Proctor Guide Rod Adapter for Glock Gen 4 & 5 FP guide rod adapters are CNC machined and feature a Black Nitride finish. I have found Black Nitride to be extremely durable and corrosion resistant. DISCLAIMER: This product is not... MSRP: Was: Now: $7.95 Add to Cart
