XTech MTX 43 Magazine Extension Glock 43 + 3 rd. Increases Glock 43 magazine capacity from 6 to 9 rounds;Patented design for seamless integration;Matches factory Glock 43 texture and appearance;High-impact injection-molded construction;17-7 stainless steel spring for reliable feeding;Sleek, slim profile ideal for concealed carry;Easy installation with no special tools required;Made in the USA;Lifetime warrantytable.productattributes, .productattributes td { border-bottom: 1px solid #ddd; border-collapse: collapse; padding: 2px; text-align: left; } Item Category Code: 7600 Product Group Code: 7600H Product Sub Group 1: 7600H4 Inactive: No