Replacement spring for our Glock Goliath XL extension kit. Use this spring with our Glock Goliath XL extension on a Glock 31-round magazine to create a 61+1 combination. (Excellent for carbines.)
DISCLAIMER: This product is not manufactured, authorized, endorsed, or warranted by GLOCK. GLOCK does not warrant or represent that this product is compatible with GLOCK pistols.