locking lugs

locking lugs

[′läk·iŋ ‚ləgz]
(ordnance)
Metal projections on the bolt of a small-arms weapon which cam into recesses cut in the side of the receiver to lock the weapon prior to firing.
References in periodicals archive ?
As a result, tightening the screw tended to bend the receiver ring downward, resulting in uneven bearing of the two locking lugs used on all these actions, often resulting in poor accuracy.
The bolt body does not have locking lugs on the breech end of the bolt, instead, a single locking lug is milled into the bottom of the bolt handle.
Locking takes place as the slide continues forward and a solid wedge at its rear end drives between the two flapper-shaped locking lugs and forces them into the receiver's locking recesses in the sidewalls.
With those, the span across the locking lugs is actually slightly less than the diameter of the bolt body behind, which averages around 0.
The helical extraction cams are built into the bolt's locking lugs, providing a good deal of rearward force.
After the slide has moved about 1/10", the link connecting barrel lug and slide lock pin stops the barrel from moving further rearward and pulls the barrel locking lugs out of the slide recesses.
62*39mm, body material: fully reinforced ribbed steel construction with impact & crash resistant, polymer, black stainless steel locking lugs both front & rear for increased mittary grade durability.
5 Kg, operating with bolt action two forward locking lugs, magazine capacity of 5-10 rounds and a muzzle velocity of 800-820 meters/second.
Constructed of 14-gauge steel with two hardened internal locking lugs, the Rapid Safe is powered by AC with a battery backup.
Twin locking lugs provide positive lockup and the gun is fed from a 5-round polymer magazine (four rounds in .
The bolt has three locking lugs instead of the Mauser-inspired two-lug system.