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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 ...
Forty-six firefighters have been battling the wildfire outside Rocky Top, which was first reported at 6:05 p.m. Nov. 4. The cause remains unknown.
Anderson County is included in the Greenville-Anderson-Greer, SC Metropolitan Statistical Area. [4] Anderson County contains 55,950-acre (22,640 ha) Lake Hartwell, a U.S. Army Corps of Engineers lake with nearly 1,000 miles (1,600 km) of shoreline for residential and recreational use. The area is a growing industrial, commercial and tourist center.
Under U.S. federal law, the creation of a firearm for non-commercial purposes (i.e., personal use) has, almost without exception, been unlicensed and legal.Since the passage of the Gun Control Act of 1968, however, anyone intending to manufacture firearms for sale or distribution is required to obtain a Federal Firearms License, and each firearm made is required to bear a unique serial number.
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 ...
For example, grinding a pyrite concentrate so that 80% of the particles are less than 12 μm (0.012 mm) consumes over 120 kilowatt-hours per tonne (kWh/t) of ore in a ball mill using 9 mm balls, but only 40 kWh/t in an IsaMill using a 2 mm grinding medium. [9] Figure 3. Photograph of an IsaMill disk being pushed into place on the mill's shaft.
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]