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 ?
150" ahead of the locking lugs and the barrel's breech face is recessed to receive the bolt with minimum clearance around its circumference.
In fact, the locking lugs are perhaps the most distinctive feature of the SR-30.
The first step is to simply check your bolt to ensure it fits the receiver and you have good contact between the locking lugs on the bolt body and the lug seats in the receiver.
The bolt face is slotted for the ejector below the top/left lug, and the locking lugs are solid.
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.
Tenders are invited for Set Of Locking Lugs And Split Pin Consisting Of Two Numbers Of Locking Lugs As Per Our Drg.
The "A" in the serial number was used to separate the 3rd Model 1890 receivers from those of the 1st and 2nd models (which had internal locking lugs for the bolt, rather than the external lugs).
The Merkel RX Helix rifle is a linear bolt-action rifle that cycles in half the length of a conventional bolt-action, and features six locking lugs on a rotary bolt head, and a fully enclosed action housing with integrated Picatinny rails.
Rudolph Schmidt, head of the country's military arsenal in the 1880's, the locking lugs were on the rear of the bolt.
The barrels pivot on trunnions, and along with the locking lugs are easily replaceable, if necessary.
Upper receiver: Cracked or badly dented; locking lugs chipped