Herrington Arms HA Magazine Extension Sig P320 +5 Rounds FDE 5MAGEXT320-FDE/BL-5RD. 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...

In stock
  • ShipAmount
  • $0.00
  • RevType
  • 2
  • Manufacturer
  • Herrington Arms
  • Sku
  • 5MAGEXT320FDEBL
  • Identity
  • 26193986251

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