bolt sleeve การใช้

• The streamlined bolt sleeves contain a locking bar mechanism to prevent accidental rotation when the bolt is removed from the receiver.
• This bolt sleeve lock was not present on previous Mauser bolt action designs and reduced firing pin travel and lock time.
• The action features large gas relief holes and a gas shield on the bolt sleeve designed to protect the users head in case of a primer or cartridge rupture or detonation.
• The action features two large oval shaped gas relief holes and a gas shield on the bolt sleeve designed to protect the users head in case of a primer or cartridge rupture or detonation.
• Further as an extra safety measure he required an enclosed or shrouded bolt sleeve that would prevent the hot gases from making their way through the bolt mechanism to the shooter's face.
• Modern cymbal nuts come in two main varieties, the older being a metal wingnut with an extended metal thread, the more recent being a plastic wingnut in which the thread extension also serves as the mounting bolt sleeve.
• DuBiel rifles feature Douglas premium barrels ( selected contours and lengths ); six hand-fitted DuBiel Stock designs ( right and left ); hand checkering on selected stocks; presentation recoil pads; sling swivel studs; tang safety and adjustable trigger by Canjar; side safety on thumbhole models; three bolt gas escape ports; safety designed bolt sleeve; jeweled and chromed bolt body; receiver and bolt head of 4340 steel alloy; all steel metal parts; and DuBiel actions.