Factory / OEM Sig Sauer P320 Magazine Catch Spring Package contains ONE spring that fits P320, P250 and P290 magazine releases. Part number: 1300239-R This is an OEM part and it is ineligible for usage with coupons.OEM Magazine Catch Spring For Sig Sauer P320, P250, P290SKU: 1300239-R$8.95PriceQuantity*Add to Cart