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The cleaning kit consists of a rectangular metal clam-shell case that typically contains the following tools and spare parts: pin punch (used for disassembling the bolt), cleaning jag, multi-tool (includes screwdriver, small and large wrenches used for adjusting the front sight and gas system, respectively, and a notch for installing and ...
The bolt also has a cartridge casing extractor, while the ejector is located inside the trigger housing (the ejector is lifted by a spring in the front of the trigger housing. The recoiling bolt carrier pushes the rear of the ejector down insuring the ejector is lifted into place to insure ejection is timed properly).
Parts kit: A kit of firearm parts minus the receiver. Used to build a complete firearm with the purchase or manufacture of a receiver (regulated in the US). Percussion cap: a small cylinder of copper or brass that was the crucial invention that enabled muzzle-loading firearms to fire reliably in any weather. The cap has one closed end.
[32] [42] Prior to the procurement of the Minimi, the Stabilimento Militare Armi Leggere (SMAL) at Terni has developed a kit to adapt the Italian Army's existing MG-42/59 machine guns to accommodate 5.56×45mm NATO ammunition. The kit comprises a new barrel, bolt head, feed opening and cover, recoil-enhancing element and a lighter bolt.
The spring-powered claw extractor is also contained inside the bolt while the lever ejector is located inside the trigger housing (actuated by the recoiling bolt). Further like the G3 the HK33 also contains a spring extractor and a buffer. The ejector lever was installed in the trigger housing and is actuated by the recoiling bolt.
The PK general-purpose machine gun U-shaped receiver is stamped from a smooth 1.5 mm (0.06 in) sheet of steel that is supported extensively by pins and rivets. For additional rigidity and strength the PK receiver features double walls made from 1.5 mm steel plates that are welded together with the U-shaped stamping.
A spring pin (also called tension pin or roll pin) is a mechanical fastener that secures the position of two or more parts of a machine relative to each other. Spring pins have a body diameter which is larger than the diameter of the hole they are intended for, and a chamfer on either one or both ends to facilitate starting the pin into the hole.
Tools for moulding – Part 1: Ejector pins with cylindrical head: Active: DIN 1530-2: Tools for moulding – Part 2: Shouldered ejector pins: Active: DIN 1530-3: Tools for moulding – Part 3: Ejector pins with conical head: Active: DIN 1587: Hexagon domed cap nuts: Active: DIN 1707: Soft Solders; Composition, Technical Delivery Condition ...