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For Glock 20 20SF 21 21SF GEN 1-3. 17 - 18 LB RECOIL SPRINGS ARE GLOCK FACTORY WEIGHT RECOIL SPRINGS. 14 - 16 LB RECOIL SPRINGS ARE REDUCED POWER AMMUNITION LOADS. 19 - 24 LB RECOIL SPRINGS ARE FOR HEAVY POWER AMMUNITION LOADS +p or +p+.
When you click on links to various merchants on this site and make a purchase, this can result in this site earning a commission. Affiliate programs and affiliations include, but are not limited to, the eBay Partner Network.