Imr 8208 xbr temperature sensitivity
Witryna25 cze 2012 · What I like about the powder is it is temp sensitive. And it burns super clean. My barrels and BCG are not near as dirty with this powder. ... #2237621 - 06/22/12 07:00 PM Re: IMR 8208 XBR and 223 loads [Re: DiRTY DOG] Smokeless Die Hard Member III Registered: 10/25/09 Posts: 2996 Loc: Radiator Springs 8208xbr is a great … Witryna3 kwi 2024 · Im going to start working over book max on 8208 xbr and see if I can get around 2800-2900 fps with good accuracy with the 77's out of my 20" barrel. I get that easily with Tac. Honestly Im happy sticking with Tac, I just dont know how well its …
Imr 8208 xbr temperature sensitivity
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Witryna16 kwi 2013 · That means it packs densely in a case and meters well in manual powder measures. As to burn rate, Chris stated that IMR 8208 XBR is “a tad slower than H4895.†Chris confirmed that the powder’s distinctive qualities are temp stability in an ultra-wide temperature range and a very broad accuracy window. Chris said: … Witryna3 paź 2009 · IMR 8208 XBR is Consistent in All Conditions. This short grain extruded rifle powder exhibits exceptional stability with virtually no change in velocity at temperatures ranging from -40 degrees F to 165+ degrees F. Lou Murdica, who helped develop this new powder, confirms that it is not temp-sensitive.
Witryna3 kwi 2024 · Re: imr 8208 vs Tac (5.56 nato loads) TAC shows actual5.56 pressure loads. IMR is too pansy to publish or release this data, even by email. Therefore if you wish similar performance, you must go on your own devices to work up a load at your own risk. I would love to see a quickload for 77s/75s for 8208 xbr. Witryna308 Winchester/7.62mm NATO and the 6mm PPC, shooters will find IMR 8208 XBR totally insensitive to changes in temperature, while yielding max velocities. Hodgdon IMR 8208 XBR smokeless rifle powder is a …
Witryna16 kwi 2013 · Anytime you seat touching it will accentuate the possibilty of bigger pressure spikes when temps rise.Most powder is alittle sensitive but others are extreme.I have used 8208 and havent noticed the spike.Chrono it and see what you find about … Witryna21 lis 2003 · #2457358 - 03/09/13 07:10 AM temp sensitivity IMR vs Hodgdon Extreme?? cowpoke Die Hard Member II Registered: 11/21/03 ... In general how do the IMR versions compare to their Hodgdon counterparts regarding temperature sensitivity? Somewhat different, or way way different? thanks. Top #2457368 - …
Witryna20 cze 2024 · This video cover the first stage of load development in 308 Winchester with the Sierra 168 SMK HPBT with IMR 8208 XBR. We review the Incremental Load develo...
WitrynaIMR Legendary Powders Single Base Powders SAFETY DATA SHEET March 2015 The following smokeless powders are distributed by IMR 4198® IMR 4227® IMR 8208 XBR www.Hodgdon.com * www.IMRpowder.com * www.WWpowder.com 6430 Vista Drive … great lakes supply ohioWitryna5 paź 2009 · That means it packs densely in a case and meters well in manual powder measures. As to burn rate, Chris stated that IMR 8208 XBR is “a tad slower than H4895.” Chris confirmed that the powder’s distinctive qualities are temp stability in an ultra … flock herd school \\u0026 swarmWitryna27 gru 2013 · Ideally suited for cartridges like the 223 Remington/5.56mm, 308 Winchester/7.62mm NATO and the 6mm PPC, shooters will find IMR 8208 XBR totally insensitive to changes in temperature, while yielding max velocities and “tack driving†accuracy. Clearly, the competitor’s “choice†and the Varmint … great lakes surf camsWitryna7 lip 2024 · Intermediate Temperature-Sensitive Powders: IMR 8208, IMR 4166, IMR 4064 and H4895 had performance results not quiet as good as those of Varget. 3. Highly Temperature-Sensitive Powders : Four powders were identified that were highly … flock herd or schooling behaviorWitryna23 lip 2015 · My IMR 8208 rounds were loaded in Lake City LR brass at 2.800” with 155gr Hornady Amax and WLRM primers @ a 43.6gr charge weight. I used magnum primers only because that’s what I had. I’m not sure what affects a non-magnum primer would exhibit but this was my test and here are my results. flock herd school \u0026 swarmWitryna23 sty 2016 · Yip 8208XBR shoots awesome with projectiles under 155gr in the 308. Very small ES & SD from practically every load. That would be my choice of powder for lighter projectiles in the 308. I haven't got round to trying in anything smaller yet apart from my 6BRX but it didn't really work that well unless the projectile was under 80gr. … great lakes supply windsorWitryna15 kwi 2024 · History on IMR-8208 XBR, XBR = Extreme Bench Rest There was a very accurate non temp sensitive surplus powder that benchrest shooters fought over to buy. Then one day it was all gone. So Hodgdon was encouraged to produce a clone of this mystical powder. IMR-8208 XBR was the result. I'll be damned. great lakes surface temp