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25 WSSM Purchase Help
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<blockquote data-quote="calinb" data-source="post: 1613577" data-attributes="member: 31242"><p>I have a Winchester M70 and an Olympic AR-15 upper in 243 WSSM. Though brass availability from both Hornady and Winchester seems to have become quite good (last I looked about a year ago), I acquired a lifetime supply of brass year ago when I bought my first WSSM (the AR upper). I have plenty of both 243 and 223 (which necks up easily to 243 but results in a slightly short neck). I also picked up many boxes of 100 gr. and 95gr. Winchester factory ammo too, but my 87 gr. Berger loads beat them hands down for accuracy. It's my favorite antelope round.</p><p></p><p>Don't believe the silly notion that chrome lined barrels aren't accurate; my M70 has a factory chrome lined barrel and it's as accurate as the best of any of my stainless and chrome moly barrels. Actually I only have one other centerfire rifle that's as accurate.</p><p></p><p>I bought a Krieger 1:8 twist barrelfor my Oly upper and a 243 WSSM reamer, but haven't found the time to chamber it yet. The WSSM is still the most capable long range SAAMI cartridge that fits in a standard AR platform (well almost--the upper is reamed-out and the barrel extension is oversize).</p><p></p><p>I spent many hours trying to get my M70 to feed well by tweaking feed lips and such, but finally gave up and just bought a brand new mag well and spring/follower assembly for my M70 and now it feeds perfectly. The geometry must be just right and fortunately the new factory parts turned out to be right on the money. (I'd bought the rifle off a Gunbroker pawn shop and, while I was happy with the deal, I also found a surprise case neck stuck in the chamber, which I had to extract.)</p><p></p><p>Personally, I like shooting oddball cartridges. It keeps me from wasting my money by buying factory ammo and motivates me to "roll my own"! In the oddball camp (uber-expensive factory ammo), I have:</p><p></p><p>243 WSSM</p><p>7mm-300 RCM (wildcat)</p><p>300 RCM</p><p>338 RCM</p><p>358 Norma Magnum</p><p>480 Ruger</p><p></p><p>and even my 44 Spl is sort of an oddball these days.</p><p></p><p>I have a lifetime supply of brass for all of the above. I would pick up a 223 or 25 WSSM in an instant (the 300 OSSM is too "overbore" for the fat and squat case and limited COAL to be versatile enough for me), if the right deal came along. I already have the (neckable) brass for them.</p></blockquote><p></p>
[QUOTE="calinb, post: 1613577, member: 31242"] I have a Winchester M70 and an Olympic AR-15 upper in 243 WSSM. Though brass availability from both Hornady and Winchester seems to have become quite good (last I looked about a year ago), I acquired a lifetime supply of brass year ago when I bought my first WSSM (the AR upper). I have plenty of both 243 and 223 (which necks up easily to 243 but results in a slightly short neck). I also picked up many boxes of 100 gr. and 95gr. Winchester factory ammo too, but my 87 gr. Berger loads beat them hands down for accuracy. It's my favorite antelope round. Don't believe the silly notion that chrome lined barrels aren't accurate; my M70 has a factory chrome lined barrel and it's as accurate as the best of any of my stainless and chrome moly barrels. Actually I only have one other centerfire rifle that's as accurate. I bought a Krieger 1:8 twist barrelfor my Oly upper and a 243 WSSM reamer, but haven't found the time to chamber it yet. The WSSM is still the most capable long range SAAMI cartridge that fits in a standard AR platform (well almost--the upper is reamed-out and the barrel extension is oversize). I spent many hours trying to get my M70 to feed well by tweaking feed lips and such, but finally gave up and just bought a brand new mag well and spring/follower assembly for my M70 and now it feeds perfectly. The geometry must be just right and fortunately the new factory parts turned out to be right on the money. (I'd bought the rifle off a Gunbroker pawn shop and, while I was happy with the deal, I also found a surprise case neck stuck in the chamber, which I had to extract.) Personally, I like shooting oddball cartridges. It keeps me from wasting my money by buying factory ammo and motivates me to "roll my own"! In the oddball camp (uber-expensive factory ammo), I have: 243 WSSM 7mm-300 RCM (wildcat) 300 RCM 338 RCM 358 Norma Magnum 480 Ruger and even my 44 Spl is sort of an oddball these days. I have a lifetime supply of brass for all of the above. I would pick up a 223 or 25 WSSM in an instant (the 300 OSSM is too "overbore" for the fat and squat case and limited COAL to be versatile enough for me), if the right deal came along. I already have the (neckable) brass for them. [/QUOTE]
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