Bolt Catch Spring Kit

Replacement bolt catch installation kit for Angstadt Arms lower receivers. Includes lightend bolt catch spring, bolt catch dowel pin, bolt catch set screw and 1/16 hex end wrench. This kit is included with the purchase of a stripped lower receiver or matched receiver set. Does not include a bolt catch. Compatible with both the 0940 and 1045 lower receiver (UDP-9 and UDP-45 firearms).

Bolt catch installation instructions