breech block造句

• The second variant, M1977, had a more practical vertical sliding wedge breech block.
• When the breech block contacts the locking shoulder, it stops, locking the breech.
• ;Pointer : sear in the breech block is at the other.
• He noticed that the breech blocks of naval guns with delayed-blowback breech lock.
• The vented gas drove a piston which in turn actuated the breech block.
• In later models the A-19 gun was modified to have a semi-automatic breech block.
• In 1867 the British war office adopted the striker passing through the breech block.
• Additionally, the older stamped slides feature a removable breech block.
• It is a 73 mm low pressure smoothbore semi-automatic gun with a wedge breech block.
• These were built-up guns with a tube, partial-length jacket, hoop and vertical sliding breech block.
• From there, he can watch the actions of the powder-man, projectile-man, breech block, and rammer.
• Due to its low recoil force and lightweight breech block, can be used on light-weight aircraft.
• Once the ships were interned, their guns were disabled through the removal of their breech blocks.
• Later substitution of brass sliding wedge breech blocks.
• The newer milled slides are a one-piece unit and do not have a removable breech block.
• The breech blocks of the two 9.2 inch guns have been replaced with newly manufactured ones.
• The breech block housed a diagonally downward-sloping firing pin which was struck with a front-action side-mounted hammer.
• Thirty-eight guns were abandoned, most having their breech blocks removed and sights disabled by the gunners first.
• Downward-opening Welin breech blocks and Smith-Asbury mechanisms were used on both Mark 4 and Mark 6 types.
• The breech block and small muzzle brake.