Sig P320 X5 Factory 12 Pound Spring $7.50 $9.99 (0) No Reviews yet SKU: S6045 Quantity discounts available QuantityPrice QTY. -+ Add to Cart Product Description This is the Sig OEM 12 Pound Spring for the P320 X5. Order Online or Call Toll-Free: 1-800-601-8273 Reviews 0 BackRatings & ReviewsNo reviews availableBe the first to Write a Review