ISMI 140mm GL3 Magazine Spring Chrome Silicon fits Glock 17, 22, 24, 34, 35

A 12 coil spring designed for competitors using Plus 4 (140mm length) extensions.

Important Warning: Modification to your firearm may nullify the manufacturers warranty. This product must be installed by a qualified gunsmith. No liability is expressed or implied for damage or injury which may result from improper installation or use of this product.

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.

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and GLOCK Ges.m.b.H. Neither Ben Stoeger Pro Shop nor this site are
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GLOCK Ges.m.b.H. The use of “GLOCK” on this page is merely to
advertise the sale of pistols, parts, components or accessories that are
compatible with GLOCK. For additional genuine GLOCK, Inc. and
GLOCK Ges.m.b.H. products and parts visit www.glock.com.