DISCLAIMER:
This product is not manufactured, authorized, endorsed, or warranted by GLOCK. GLOCK does not warrant or represent that this product is compatible with GLOCK pistols.
Converts your G37 from .45 GAP to .40 S&W
Match-grade barrel is crafted from precision-engineered, CNC-cut 416R stainless steel
1:10" right hand twist
Drop-in fit, no gunsmithing required
Compatible with lead bullets
Made in the USA
Backed by a Manufacturer's Limited Lifetime Warranty
Includes barrel, extractor, and magazine follower