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US20090308241 BREECH FOR A REPEATING RIFLE AND RECEIVER FOR SUCH A BREECH  
The invention relates to a breech for a repeating rifle with a lock guide, a bolt head arranged in the lock guide, a locking sleeve arranged concentrically with the bolt head with several locking...
US20170045324 EMPTY AMMUNITION MAGAZINE BOLT HOLD OPEN DEVICE  
For use on a firearm having a removable ammunition magazine, a longitudinally reciprocating bolt, and a pivoting bolt catch member, the present invention provides an empty ammunition magazine bolt...
US20160252316 AUTO-LOADING FIREARM  
An auto-loading firearm has a frame defining a bolt passage, a bolt operable to reciprocate between a battery position and a retracted position, a barrel defining a gas aperture, an energy...
Matches 1 - 3 out of 3