The primary purpose of the Ase Utra BoreLock mounting collar is to enable the user to continue using a flash hider or a muzzle brake that is already on the weapon. To be compatible with the BoreLock mounting collar and suppressors, the muzzle device needs to be under 22 mm in diameter and have a maximum length of 63 mm.
NOTICE! With DUAL-S-BL, SL5i, SL6i and SL7i the maximal length of the combination is 52 mm.
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Shipping Methods
Collection/On-Site Service
Collect your order from our premises in Hampshire or a Blue RPC club shoot. Have a chat with us and a browse whilst you're here!
Royal Mail/Parcel Force 24
Despatched same working day if ordered before 15:00, with next day delivery aim.
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Firearms and Ammunition
See the RFD Transfer and Club Collection page for more details.