Albroswift Posted June 16, 2019 Report Share Posted June 16, 2019 Back from the range, final results in: 16" Carbine Sprinco red spring / 10 oz KVP tungsten buffer chewed through 180 gr plinkers, 180 gr major loads, and 155 gr 1500 fps+ with ease. Good "back on target" split times. 4.5" pistol Ditto above except for didn't run any of the lawman 155's From several trips to the range with various combinations, it seems to me a 10 oz buffer will run with several different spring weights, both pistol/ carbine, but a 7.5 oz buffer will only run in the pistol even with the EA1095 spring Slower cycling makes cheap mags work better, and factory mags work flawlessly. Springs I used from light to heavy KVP Extra Power 308 carbine Sprinco Red EA1095 Buffers: KVP 7.5 and 10 oz Just my opinion, but it seems possible to over buffer to the point that rounds will feed but bolt travel is insufficient to engage the disconnector, resulting in burst mode Also my opinion, it seems possible to under buffer to the point that the bolt speed is fast enough that either a. parts are moving so fast that the disconnector doesn't grab, or b. the effect of slamming into the "end of travel" jars the disconnector enough that it does not grab. Whatever the mechanics involved the results can be a bit bloody, out of battery slam fires and such, highly recommended to avoid at all costs! Quote Link to comment Share on other sites More sharing options...
sketch Posted June 18, 2019 Report Share Posted June 18, 2019 Thank you for the results! Quote Link to comment Share on other sites More sharing options...
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