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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".
A disassembled Mauser action showing a partially disassembled receiver and bolt. In firearms terminology and at 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 ...
The posterior end of the lower jaw bones contains a quadrate bone, allowing jaw extension. The anterior tips of the lower jaw bones are joined by a flexible ligament allowing them to bow outwards, increasing the mouth gape. [72] [73] The Pacific tree frog and the Baja California chorus frog are some of the only frog species that make a "ribbit ...
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To achieve this, the RS-68 has 80% fewer parts than the multi-launch RS-25 Space Shuttle Main Engine (SSME). [4] The adverse consequences of this simplicity were a significantly lower thrust-to-weight ratio and a 10% lower specific impulse compared to the SSME. The benefit of this simplicity is the RS-68's reduced construction cost. [4]
A small design reinforcement was quickly adopted when initial fatigue testing failed at 80% of testing; the A-10 passed fatigue tests with the fix. 8,000-flight-hour service lives were becoming common at the time, so fatigue testing of the A-10 continued with a new 8,000-hour target. This new target quickly discovered serious cracks at Wing ...
They also have been fighting the 475-acre Tioga fire, which is estimated as being 80% contained. The wildfire was first reported just after 6 p.m. Saturday on the ridge overlooking Rocky Top near ...
Viscosity is a measure of a fluid's rate-dependent resistance to a change in shape or to movement of its neighboring portions relative to one another. [1] For liquids, it corresponds to the informal concept of thickness; for example, syrup has a higher viscosity than water. [2]
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