ISMI P320 Compact & M18 Single Flat Wire Recoil Springs

ISMI P320 Compact & M18 Single Flat Wire Recoil Springs

 SPRING ONLY. GUIDE ROD AND PISTOL NOT INCLUDED. 

Flat springs available weights

• 12lb
• 14lb
• 16lb
• 18lb
• 20lb

Use ISMI springs to tune your 3.9 inch P320 models for compensators and suppressors. Only compatible with Springer Precision guide rod for the M18 and XCarry pistols (ISMI will have one also soon). The factory spring weight is approximately 18 lbs. All of these springs are reduced power springs and 12 lbs is the lowest spring weight that the firearm will run on.