AEG Rifle Custom Parts | Airsofts Custom Parts Spring Guide for TYPE 96 Series (9mm)       Made of S303 stainless steel and 6061 Aluminum Alloy.   9mm diameter.   Superb rigidity and durability!!   Material: S303 Stainless Steel/6061 Aluminum Alloy Weight: 20g Item No.: TYPE96-04(B) Suggested Retail Price: USD 15.00