31rd .40 S&W magazine for the Glock 22, 23, 27, 35 Pistols Technical Specifications Weight 0.5lbs Color Black Compatible with Glock 22/23/27/35 Caliber .40 S&W Capacity 31rd Body Material Polycarbonate Spring Material Stainless Steel   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.  

Specifications