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  2. Polymer80 - Wikipedia

    en.wikipedia.org/wiki/Polymer80

    The first project undertaken by the company was an injection molded AR-15 rifle lower receiver. The company then moved to AR-10 style rifle lower receivers, and finally pistol receivers. [14] The name of the company refers to the injection molding process combined with the common designation of unfinished receivers as "80% receivers". [14]

  3. Types of press tools - Wikipedia

    en.wikipedia.org/wiki/Types_of_press_tools

    Guide Pillar & Guide Bush : Used for alignment between top and bottom halves of the press tools. Bottom plate:It is used to hold bottom half of the press tool with press slide. Stripper plate: it is used to strip off the component from punches. Strip guides: It is used to guide the strip into the press tool to perform the operation. Press tool

  4. Receiver (firearms) - Wikipedia

    en.wikipedia.org/wiki/Receiver_(firearms)

    A disassembled Mauser action showing a partially disassembled receiver and bolt. In firearms terminology and law, the firearm frame or receiver is the part of a firearm which integrates other components by providing housing for internal action components such as the hammer, bolt or breechblock, firing pin and extractor, and has threaded interfaces for externally attaching ("receiving ...

  5. Milling (machining) - Wikipedia

    en.wikipedia.org/wiki/Milling_(machining)

    A third type also exists, a lighter, more versatile machine, called a mill-drill. The mill-drill is a close relative of the vertical mill and quite popular in light industry; and with hobbyists. A mill-drill is similar in basic configuration to a very heavy drill press, but equipped with an X-Y table and a much larger column.

  6. Drilling - Wikipedia

    en.wikipedia.org/wiki/Drilling

    Drilling is a cutting process where a drill bit is spun to cut a hole of circular cross-section in solid materials. The drill bit is usually a rotary cutting tool, often multi-point. The bit is pressed against the work-piece and rotated at rates from hundreds to thousands of revolutions per minute.

  7. What I thought was just a bug bite turned into an infection ...

    www.aol.com/news/otherwise-average-day-almost...

    The rest of the evening passed in a blur. We lit the menorah, gave the kids their gifts, and I forgot all about the bump. But in the middle of the night, a throbbing feeling in my shoulder ...

  8. SA80 - Wikipedia

    en.wikipedia.org/wiki/SA80

    The magazine release button is placed above the magazine housing, on the left side of the receiver. When the last cartridge is fired from the magazine, the bolt and bolt carrier assembly lock to the rear. To release the bolt, the user has to press a black button on the left side of the rifle, near the fire selector. [citation needed]

  9. Spokane Valley eyes process to forfeit surplus properties for ...

    www.aol.com/news/spokane-valley-eyes-process...

    (The Center Square) – Spokane Valley officials discussed legislation on Tuesday that, if approved, would allow the city to donate surplus properties to build affordable housing. State law allows ...