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Rifles, Reloading, Optics, Equipment
Gunsmithing
Bolt face open up
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<blockquote data-quote="NesikaChad" data-source="post: 427876" data-attributes="member: 7449"><p>Hi Tim,</p><p></p><p>I'm assuming your using a Remington action. The work itself is pretty straight forward. It can be done a few different way. I use a CNC mill where's most use a manual lathe.</p><p></p><p>Possible issues:</p><p></p><p>If your action is a pushfeed Winchester for example the T slot extractor is going to require a little more work to modify in most cases.</p><p></p><p>If your action a control round feed the extractor again will need some fussing over to get it right.</p><p></p><p>If it's a Remington then the common practice is to install a Sako style extractor as the factory leaf spring set up won't work. THIS is where I have a really strong opinion. </p><p></p><p>As a practice I will not service, install, or allow a twin lug, 90* rotating bolt in my shop if it's fitted with a Sako extractor. They are dangerous and I've seen two cases this year alone that resulted in surgery for both shooters.</p><p></p><p>The riff lies in that the extractor was/is designed for a 3 lug gun. 3 lug guns have the lugs at a 120* index. This means only 60* of bolt rotation. The extractor this way is blocked off from the raceways of the receiver.</p><p></p><p>A twin lug is at a 180* index and the lugs rotate 90*. With the bolt in battery the extractor is almost in direct line with the ejection port side raceway. Since the extractor is only retained by a spring loaded plunger there is vitually nothing preventing it from flying out of the gun in the event of a violent case rupture.</p><p></p><p>**** happens and when it happens with these little buggers people go to hospitals with alarming frequency.</p><p></p><p>I advocate an AR-15 style extractor for this particular application. At least it is retained by a cross pin.</p><p></p><p>Hope this helped.</p><p></p><p>Chad</p><p></p><p></p><p></p><p>Chad Dixon</p><p>Gunmaker</p><p>LongRifles, Inc.</p></blockquote><p></p>
[QUOTE="NesikaChad, post: 427876, member: 7449"] Hi Tim, I'm assuming your using a Remington action. The work itself is pretty straight forward. It can be done a few different way. I use a CNC mill where's most use a manual lathe. Possible issues: If your action is a pushfeed Winchester for example the T slot extractor is going to require a little more work to modify in most cases. If your action a control round feed the extractor again will need some fussing over to get it right. If it's a Remington then the common practice is to install a Sako style extractor as the factory leaf spring set up won't work. THIS is where I have a really strong opinion. As a practice I will not service, install, or allow a twin lug, 90* rotating bolt in my shop if it's fitted with a Sako extractor. They are dangerous and I've seen two cases this year alone that resulted in surgery for both shooters. The riff lies in that the extractor was/is designed for a 3 lug gun. 3 lug guns have the lugs at a 120* index. This means only 60* of bolt rotation. The extractor this way is blocked off from the raceways of the receiver. A twin lug is at a 180* index and the lugs rotate 90*. With the bolt in battery the extractor is almost in direct line with the ejection port side raceway. Since the extractor is only retained by a spring loaded plunger there is vitually nothing preventing it from flying out of the gun in the event of a violent case rupture. **** happens and when it happens with these little buggers people go to hospitals with alarming frequency. I advocate an AR-15 style extractor for this particular application. At least it is retained by a cross pin. Hope this helped. Chad Chad Dixon Gunmaker LongRifles, Inc. [/QUOTE]
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Bolt face open up
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