Hardened & Cryo Treated, Improves Performance
Cryogenically processed, stress relieved and hardened steel rod offers no-flex cycling that reduces spring bind, helps ensure reliable feeding and ejection. Fits the small I.D., flat wire, factory and aftermarket springs with no modifications or alterations.
“GLOCK” is a federally registered trademark of Glock, Inc. and is one of many trademarks owned by Glock, Inc. or Glock Ges.m.b.H. Brownells is an independent dealer of parts and accessories for Glock® pistols, and is not affiliated with or endorsed by Glock, Inc. or Glock Ges.m.b.H. The use of Glock on this page is merely to advertise the sale of Glock parts or components. As indicated in the product descriptions, not all parts and accessories on this site are official Glock products.
Big Book Catalog, Issue:66, Page:209
New Product Supplement, Issue:534, Page:000
SPECS: 4140 steel, black, matte finish. Hardened to Rc 32-24. Glock 17 fits; 17, 17L, 22, 24, 31, 34, 35. Glock 21 fits; 20, 21. Does not include recoil spring – uses the small I.D. flat wire factory and aftermarket springs.