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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
.25 WSSM rifles
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<blockquote data-quote="J E Custom" data-source="post: 242048" data-attributes="member: 2736"><p>I have worked on several 25 WSSM Coyotes and found the same problem . </p><p></p><p>After a complete blueprint of the action and a full bedding and floating of the stock</p><p>they still did not shoot better than 1" groups.</p><p></p><p>Using up my last 'ace in the hole' I decided to lap the barrels "BINGO" that did the trick.</p><p></p><p>What I found was very bad barrels on them ( The bore had tight spots That had to be </p><p>lapped out to make them uniform ) .</p><p></p><p>After lapping accuracy improved to less than 1/2 inch groups.</p><p></p><p>Note: I only lap after every thing else has not fixed the accuracy .If that does not do</p><p>it then it's time for a new barrel.</p><p></p><p>There appears to be nothing wrong with the 25 WSM cartrige just the rifle ( Coyote ).</p><p></p><p>However I have not had the same trouble with other WSSM's and WSM's so it may be</p><p>just the 25 caliber barrels.</p><p></p><p>Its hard to come up with a good varmint / deer combo in 25 caliber so I would look at the </p><p>243 WSSM for this. Also ammo is more available.</p><p></p><p>Hear's a compairson.</p><p></p><p>243 WSSM </p><p>Velocity with 100gr bullet 3200 ft/sec avg. ( good for deer ).</p><p> 85 gr bullet 3350 ft/sec avg.</p><p> 55 gr bullet 4100 ft/sec avg ( A great varmint round )</p><p></p><p>25 WSSM</p><p>Velocity with 100gr bullet 3275 ft/sec avg. (good for deer ).</p><p> 85 gr bullet 3500 ft/sec avg. (The smallest that is recimended to shoot in the 25.</p><p></p><p>I hope this will help in your decision.</p><p>J E CUSTOM</p></blockquote><p></p>
[QUOTE="J E Custom, post: 242048, member: 2736"] I have worked on several 25 WSSM Coyotes and found the same problem . After a complete blueprint of the action and a full bedding and floating of the stock they still did not shoot better than 1" groups. Using up my last 'ace in the hole' I decided to lap the barrels "BINGO" that did the trick. What I found was very bad barrels on them ( The bore had tight spots That had to be lapped out to make them uniform ) . After lapping accuracy improved to less than 1/2 inch groups. Note: I only lap after every thing else has not fixed the accuracy .If that does not do it then it's time for a new barrel. There appears to be nothing wrong with the 25 WSM cartrige just the rifle ( Coyote ). However I have not had the same trouble with other WSSM's and WSM's so it may be just the 25 caliber barrels. Its hard to come up with a good varmint / deer combo in 25 caliber so I would look at the 243 WSSM for this. Also ammo is more available. Hear's a compairson. 243 WSSM Velocity with 100gr bullet 3200 ft/sec avg. ( good for deer ). 85 gr bullet 3350 ft/sec avg. 55 gr bullet 4100 ft/sec avg ( A great varmint round ) 25 WSSM Velocity with 100gr bullet 3275 ft/sec avg. (good for deer ). 85 gr bullet 3500 ft/sec avg. (The smallest that is recimended to shoot in the 25. I hope this will help in your decision. J E CUSTOM [/QUOTE]
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.25 WSSM rifles
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