BOSS COMPONENTS 2011 STI/BUL STANDARD DIVISION MAGAZINE BASE PAD - SET OF 52011 STI BUL STANDARD DIVISION MAGAZINE BASE PAD SET OF 5 The STI 2011 STACCATO BUL ARMORY ALUMINIUM DOUBLE STACK MAGAZINE BASE PAD SET comes in either a set of 5 base pads or singles that are compatible with 2011 double stack magazine tubes. The base pads are made of aluminium weighted at 15g and have an anodized finish. These base pads are perfect for IPSC or USPSA competition shooters who need to quickly reload their magazines. The extended base