upper lock-bolt
1lock — lock1 lockless, adj. /lok/, n. 1. a device for securing a door, gate, lid, drawer, or the like in position when closed, consisting of a bolt or system of bolts propelled and withdrawn by a mechanism operated by a key, dial, etc. 2. a contrivance… …
2Key (lock) — A cut key A key is an instrument that is used to operate a lock. A typical key consists of two parts: the blade, which slides into the keyway of the lock and distinguishes between different keys, and the bow, which is left protruding so that… …
3AR-15 — The AR 15 comes in many sizes and has many options, depending on the manufacturer. The part shown bottom center is the lower receiver, which under US law is the component legally considered the firearm . Type …
4Door — For other uses, see Door (disambiguation). A door is a movable structure used to open and close off an entrance, typically consisting of a panel that swings on hinges or that slides or rotates inside of a space. When open, they admit ventilation… …
5Digifant Engine Management system — A Digifant II DF 1 Engine Control Unit used in 91 Volkswagen Golf Cabriolet with 2E engine The Digifant engine management system is an electronic engine control unit (ECU), which monitors and controls the fuel injection and ignition… …
6Headset (bicycle part) — The headset is the set of components on a bicycle which provide a rotatable interface between the bicycle fork and the bicycle frame itself. The short tube through which the steerer of the fork passes is called the head tube. A typical headset… …
7Handcuffs — Manacles redirects here. For the rocks off Cornwall, see The Manacles. Hiatt type 2010 handcuffs. Circa 1990s …
8Prosthesis — For other uses, see Prosthesis (disambiguation). Not to be confused with Orthotic. A man with two prosthetic arms playing table football …
9Safety (firearms) — This article is about the mechanical safety devices built into most firearms. For the main article about firearm safety education, see Gun safety. Close up shot of a safety of an M16A2 rifle. In firearms, a safety or safety catch is a mechanism… …
10MAC-10 — Ingram MAC 10 MAC 10 (.45 ACP) with suppressor and without magazine. Type Machine Pistol Place of origin …
