This is the Taran Tactical replacement spring for Glock 19 and 23 +4/5 magazine extensions. 

Featuring improved strength and durability, this spring will ensure your magazine is ready for whatever you can throw at it. It even comes pre-compressed, with no test loading required to reach full capacity! Whether you’re competing or simply having fun at the range, this spring will not disappoint! 

Throw a spring or two in your cart before you check out!

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.