Stan Chen Custom's "Drop-In" mainspring housing, is machined to maximum tolerances for a snug, drop in fit in most 1911 pistols, which eliminates unsightly gaps and improves performance.
A radiused, rounded heel makes the pistol more comfortable in the hand while shooting, and against the body while the pistol is carried concealed.
Want the same Stan Chen Custom refinement and quality without having to send your 1911 off to gunsmith? May I present the new Stan Chen Custom Drop-In Mainspring Housing. Created in response to the popularity of the Maxbevel and the desire for ease of self installation. We now give you the capability of self-install without compromising on quality.
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