Buffer and spring assembly for a firearm
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United States of America Patent
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Nov 28, 2017
Grant Date -
Mar 2, 2017
app pub date -
Aug 27, 2015
filing date -
Aug 25, 2015
priority date (Note) -
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status (Latency Note)
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Abstract
The present disclosure provides a buffer kit or assembly for an AR-15, M16, M4 carbine, SR-25, AR-10 and LR-308 type firearm with enhanced fatigue resistance. The buffer assembly includes a weighted buffer, a spring, and a buffer tube. The spring is helically shaped and is formed from multiple wire strands. The stranded wire spring has a greater nominal wire diameter, in comparison to prior art single wire springs, and thus the stranded wire spring itself has a smaller internal diameter. The shoulder of the weighted buffer is provided with a reduced diameter to accommodate the smaller internal diameter of the stranded wire spring.
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