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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
Sherman Wildcat Reloading Data is Here!!!
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<blockquote data-quote="Buster Hemlock" data-source="post: 2094473" data-attributes="member: 109327"><p>Finally got my 7SS together, brass prepped and loaded up 5 rounds to shoot and see how it went as I was using a powder I haven't seen others use and couldn't find anything on the 7 SAUM for it either. After talking with Rich yesterday I went with 52.0 gr. Alliant Power Pro 4000MR as a very conservative starting load, ADG brass from Rich that needs blown out, WLRM primers and Sierra 180 gr. HPBT's at 2.216" CBTO which was .005" off the lands to use to form the brass. Had the 4000MR from stuff I was reloading for a buddy and it's been on the shelf for a while and didn't want to shoot my good stuff forming cases. 52 gr. yielded 2418 FPS and an ES of 13 and SD of 5.8 for the first 5 shots. Had some light strikes so I'll be jamming the next few .010"-.015"into the lands to hopefully eliminate the light strikes as I think they are getting pushed forward just a smidge by the firing pin. This is a super low pressure load with velocity only being 2418 FPS so the added pressure of jamming won't be an issue, but I think it appears to have done the job on forming the brass and the jammed bullets will bump pressure and possibly form the cartridge better but we will see. Barrel is a 20" Hells Canyon 1:8 twist Summit Ultralight. Now for the real good news! They had 7 lbs. of H4831 and a brick of CCI250's!!! Once I have brass formed and 100 rounds down the pipe I'll be trying the 155 Absolute Hammers likely with my newly acquired H4831 and CCI250's.</p><p></p><p>Edit to fix grammar and also add first shot was about a 1/2" low and right from the other 4 that went into a 3/4" group, not bad for the first 5 shots through it and a random charge even if it is super slow. Probably won't work up in weight with the 4000MR as I'm just using it to form brass and won't be using it after, unless someone is really curious then I may.</p></blockquote><p></p>
[QUOTE="Buster Hemlock, post: 2094473, member: 109327"] Finally got my 7SS together, brass prepped and loaded up 5 rounds to shoot and see how it went as I was using a powder I haven't seen others use and couldn't find anything on the 7 SAUM for it either. After talking with Rich yesterday I went with 52.0 gr. Alliant Power Pro 4000MR as a very conservative starting load, ADG brass from Rich that needs blown out, WLRM primers and Sierra 180 gr. HPBT's at 2.216" CBTO which was .005" off the lands to use to form the brass. Had the 4000MR from stuff I was reloading for a buddy and it's been on the shelf for a while and didn't want to shoot my good stuff forming cases. 52 gr. yielded 2418 FPS and an ES of 13 and SD of 5.8 for the first 5 shots. Had some light strikes so I'll be jamming the next few .010"-.015"into the lands to hopefully eliminate the light strikes as I think they are getting pushed forward just a smidge by the firing pin. This is a super low pressure load with velocity only being 2418 FPS so the added pressure of jamming won't be an issue, but I think it appears to have done the job on forming the brass and the jammed bullets will bump pressure and possibly form the cartridge better but we will see. Barrel is a 20" Hells Canyon 1:8 twist Summit Ultralight. Now for the real good news! They had 7 lbs. of H4831 and a brick of CCI250's!!! Once I have brass formed and 100 rounds down the pipe I'll be trying the 155 Absolute Hammers likely with my newly acquired H4831 and CCI250's. Edit to fix grammar and also add first shot was about a 1/2" low and right from the other 4 that went into a 3/4" group, not bad for the first 5 shots through it and a random charge even if it is super slow. Probably won't work up in weight with the 4000MR as I'm just using it to form brass and won't be using it after, unless someone is really curious then I may. [/QUOTE]
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Sherman Wildcat Reloading Data is Here!!!
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