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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
25 STW
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<blockquote data-quote="Fiftydriver" data-source="post: 35611" data-attributes="member: 10"><p>Agunner012,</p><p></p><p>Funny you mention the 6.5mm WSM as I received notice from my reamer maker that my design for my version of the 6.5 WSM has been approved and should have been shipped on the 30th of August.</p><p></p><p>I designed this reamer for use in single shot firearms but in standard '06 actions it would work very well also.</p><p></p><p>What I did was take the SAAMI reamer print and tightened up the case body dimensions to min spec. Not tight, just min.</p><p></p><p>I then redesigned the neck area to what I call a semi-Match neck as it is should allow the use of 270 WSM brass to be necked down and used with no further neck turning needed but there will only be 0.0015" cleanance on firing. </p><p></p><p>Because of this I will instruct my customers to double check this critical dimension on their loaded ammo and turn their necks if needed to allow this 0.0015" clearance.</p><p></p><p>The throat is full blow match with a decently long throat to allow the long VLD bullets to be seated plenty far out of the case volume but not so far that hunting style bullets still could not be used accurately.</p><p></p><p>The throat diameter is 0.2642" so it is only 0.0002" over bullet diameter.</p><p></p><p>I call this my hunting/match hybrid neck/throat design and it has owrked very well providing match quality accuracy and consistancy without the need for major neck prepping.</p><p></p><p>I will be chambering an XP-100 handgun using a 1-8" Lilja 15" stainless blank with this new reamer and will use of for my deer hunting handgun this fall.</p><p></p><p>As far as what I think of this round, well I will let you know here in a couple weeks after I fully test the rig but from what I know of the 6.5-284, the WSM will be just more of the same thing but not so much to prevent decent volume shooting.</p><p></p><p>It will produce around 3200 fps out of a +26" rifle barrel with any of the 140 gr class VLD bullets which is a couple hundred over the 284 version.</p><p></p><p>I think it will be a hell of a big game handgun round as well as a long range rifle round.</p><p></p><p>I would say that 1500to 1 mile may be its effective limit at extreme range but thats a hell of a long way.</p><p></p><p>Compared to teh 25 WSM and the 270 WSM, I think its head and shoulders above those two. Its got the very high velocity with the lighter bullets liek the 25 WSM but it actually has higher S.D. big game bullets and much higher B.C. VLD bullets then the 270 and has the ability to drive them to very respectible velocities which allow it to outperform the 270 WSM at long range.</p><p></p><p>Like I said, my reamer will be here soon so I will giev a full report when I get to the range.</p><p></p><p>Good Shooting!!!</p><p></p><p>Kirby Allen(50)</p></blockquote><p></p>
[QUOTE="Fiftydriver, post: 35611, member: 10"] Agunner012, Funny you mention the 6.5mm WSM as I received notice from my reamer maker that my design for my version of the 6.5 WSM has been approved and should have been shipped on the 30th of August. I designed this reamer for use in single shot firearms but in standard '06 actions it would work very well also. What I did was take the SAAMI reamer print and tightened up the case body dimensions to min spec. Not tight, just min. I then redesigned the neck area to what I call a semi-Match neck as it is should allow the use of 270 WSM brass to be necked down and used with no further neck turning needed but there will only be 0.0015" cleanance on firing. Because of this I will instruct my customers to double check this critical dimension on their loaded ammo and turn their necks if needed to allow this 0.0015" clearance. The throat is full blow match with a decently long throat to allow the long VLD bullets to be seated plenty far out of the case volume but not so far that hunting style bullets still could not be used accurately. The throat diameter is 0.2642" so it is only 0.0002" over bullet diameter. I call this my hunting/match hybrid neck/throat design and it has owrked very well providing match quality accuracy and consistancy without the need for major neck prepping. I will be chambering an XP-100 handgun using a 1-8" Lilja 15" stainless blank with this new reamer and will use of for my deer hunting handgun this fall. As far as what I think of this round, well I will let you know here in a couple weeks after I fully test the rig but from what I know of the 6.5-284, the WSM will be just more of the same thing but not so much to prevent decent volume shooting. It will produce around 3200 fps out of a +26" rifle barrel with any of the 140 gr class VLD bullets which is a couple hundred over the 284 version. I think it will be a hell of a big game handgun round as well as a long range rifle round. I would say that 1500to 1 mile may be its effective limit at extreme range but thats a hell of a long way. Compared to teh 25 WSM and the 270 WSM, I think its head and shoulders above those two. Its got the very high velocity with the lighter bullets liek the 25 WSM but it actually has higher S.D. big game bullets and much higher B.C. VLD bullets then the 270 and has the ability to drive them to very respectible velocities which allow it to outperform the 270 WSM at long range. Like I said, my reamer will be here soon so I will giev a full report when I get to the range. Good Shooting!!! Kirby Allen(50) [/QUOTE]
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25 STW
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