This video discusses the unreliability of hydraulic buffers in competition firearms, particularly in varying ambient temperatures. The speaker experienced significant double-feed malfunctions during a match, leading to timeouts. While the rifle performed well in warmer conditions, the hydraulic buffer's performance degraded in cooler temperatures, highlighting its unsuitability for reliable competition use.
This video from InRangeTV investigates the impact of ammunition and ambient temperature on rifle zero. While extreme temperature variations were tested, the experiment concluded that for this specific ammunition (Hornady 6.5 Creedmoor 140 grain) and rifle, the temperature of the ammunition itself had a negligible effect on point of impact. However, a significant shift in point of impact was observed due to changes in ambient temperature, demonstrating its greater influence on ballistics.
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