2011年11月13日 · I load the 7828 ssc in my WBY.300 with the 208 AMAX. I didn't have any h-1000 and I thought I could get more velocity with it. It is super accurate and easy to load for. I …

2013年8月3日 · IMR 4831 is a great powder in a 300 WM, I have used it with great results. You can really amp your loads up with this because you have about 7 grains less to produce the …

2017年10月29日 · IMR 7977 Powder Vs H1000 Vs Retumbo. Thread starter waveslayer; Start date Oct 22, 2017; waveslayer 212 ...

2020年6月1日 · I found a good load with IMR 4064 using 40.9 grs that got me an avg MV of 2550 (SD's in the mid single digits and ES's in the mid teens) and my groups were in the high 3's to …

2014年7月4日 · Here is the the load test we developed using 175gr SMK's, IMR 4064, once fired Hornady brass, and Remington primers. Shooting out of my Surgeon 591 SA with 22" Bartlein …

2013年4月9日 · Bigger bullets are dominating the sport (especially at 1000), i see it at the matches. CJ Britt holds the record at our club (600 yard range). He shot a 599/600 (can't …

Anyone familiar with IMR 7828 t°sensitivity? How does it compare to Retumbo or H 1000 (Extreme powders) ? Thanks!

2010年8月18日 · The DuPont M118LR load, which seems to have been a better load than the current one (ATK, RL15 driven), used 42.0 grains of IMR 4895 in LC match brass with the 175 …

2013年8月13日 · IMR-4064 under a 175, driven to LC Match muzzle velocity will serve you well. Remember that Uncle Sam measured there ammo at 78ft so there listed M/V is a little …

2020年8月14日 · Redid my load development today with IMR 7977. Can confirm it is most certainly slower than H1000 in the 300WM, by about 1 full grain in my test. Baseline (my go-to …