ISMI Sig P320 Compact Recoil Spring

Designed to fit Sig Sauer Models: P320 Compact - 3.9" Non-Threaded Barrels or 4.6" Threaded Barrels, P320 Compact, P320-M18, P320-AXG COMBAT, P320-XCARRY LEGION - For use with NDZ P320 Compact Guide Rod 9mm.

Does Not Fit: 3.6" Barrels, 5" Barrels, 4.7" Barrels, all other models not listed.

Dial in your Sig P320 compact's recoil performance with ISMI’s premium flat wire recoil springs, engineered for serious shooters who demand long-lasting reliability and smoother cycling. Crafted from chrome silicon, these springs deliver up to 10x the service life of standard music wire, making them ideal for high-round count setups. Each spring is heat treated, shot peened, and stress relieved to ensure consistent performance under heavy use. Compatible with compact Sig Sauer P320 models. Pair with an NDZ Guide Rod for a full-performance upgrade.

• Springs available in 12 lb., 14 lb., 16 lb., 18 lb., & 20 lb. weights, as well as a convenient tuner pack that contains them all.
• Chrome silicon construction: 10x longer life than standard springs.
• Heat treated, shot peened, and stress relieved.
• Made in the USA.

See our Sig Sauer P320 Compact Guide Rods here

See our Sig Sauer P320 Products here

Note: NDZ always recommends any part be installed by a qualified and trained gunsmith. NDZ promotes the use of safety practices and gear when working on any firearm.

Disclaimer: "Sig Sauer" is a federally registered trademark of SIG Sauer, Inc. or SIG Sauer GmbH & Co.KG. NDZ Performance has NO affiliation in any manner with, or otherwise endorsed by, SIG Sauer, Inc. or SIG Sauer GmbH & Co.KG. The use of the word "Sig Sauer " on this page is merely to identify which firearm these parts or components are compatible with.