For 9mm Glock Magazine In 33 31 Ct Wolff +5% Extra Power Springs 3 Pack Fits Glock Models 9mm OEM Glock 9mm 31 or 33 magazines ONLY! Buy With Confidence we are a Wolff Authorized Top Dealer ! Wolff Extra Power Magazine Springs are +5% Extra Power For Reliable Feeding. Compatible for OEM Glock 9mm 31 or 33 magazines ONLY! Wolff item 77363 3 Pack Please Note these are Brand New springs they are not shipped in Wolff factory package we buy these in bulk and ship 3 packs. Please Read Return Policy *We offer a 60 day return policy. *All returns must be new, unused and/or unopened. The product must be in original packaging including all instructions, tags, etc, if applicable. In this case, a refund will be issued less a 20% restocking fee. *Returned merchandise that is either opened, used or missing items will be issued a 50% partial refund. **The retail box cannot be used as a shipping box.*A traceable and insured shipping method is strongly recommended, as we are not responsible for merchandise that has not reached our facility