Herrington Arms HA SIG Sauer P320 5 Round Magazine Extension FDE

Herrington Arms HA SIG Sauer P320 5 Round Magazine Extension FDE. It works perfectly with 1517 and 21 round magazines This mag extension on a 17rd mag fits in the 141.25mm USPSA gauge This highly durable mag extension is made of light yet very strong weapon grade 7075 aluminum. It works well in all weather conditions and wont break easily even if dropped with a full magazine. Specifications for Herrington Arms HA SIG Sauer P320 5 Round Magazine Extension: Manufacturer: Herrington Arms Fabric/Mat