The Blaser Bolt Assembly

Blaser Bolt Heads

barrel bolt head locking cam on the bolt extension bolt" in locked position receiver bolt /

extension locking block

— operating rod pushes against the bolt extension lug fully bolt head unlocked /

bolt extension operating rod locking lug partly unlocked locking surface in the receiver bolt head bolt extension unlocking cam on bolt extension

Figure 8-86. Recoiling Bolt Extension Lifts Locking Block Free of Receiver.

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