STI 2011 Mainspring House Pin /W Magwell – Blued
Mainspring housing pin for 2011’s with a Magwell installed
Manufactured of high-grade steel on high end Swiss CNC screw machines. Center-less ground for a perfect fit and flaw-less performance. All parts are heat treated and hardened after machining for extra durability and finsished with black oxide finish for increased durability and wear.
All pins meet or exceed specification for all manufactures
Finish: Black Oxide Finish
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