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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
How to measure barrel twist?
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<blockquote data-quote="JR" data-source="post: 30649" data-attributes="member: 1965"><p>Len,</p><p></p><p>Here's how I check 'em at work..take yer cleaning rod and push a tight patch about 3/4 the way to the barrel muzzle..You using a bore guide? well, take a piece of masking tape and wrap round the cleaning rod where rod meets bore guide, or where it meets back of the action, whatever, and wrap it so it looks like a little flag, sticking up at 12 o'clock..Pull the rod back by handle only, make sure it isn't slipping, pull until that flag is again at 12 o'clock..now take your measuring tape and measure from the front of the tape to the back of the bore guide, and that should give you a good idea of the twist rate..</p><p></p><p>JR</p></blockquote><p></p>
[QUOTE="JR, post: 30649, member: 1965"] Len, Here's how I check 'em at work..take yer cleaning rod and push a tight patch about 3/4 the way to the barrel muzzle..You using a bore guide? well, take a piece of masking tape and wrap round the cleaning rod where rod meets bore guide, or where it meets back of the action, whatever, and wrap it so it looks like a little flag, sticking up at 12 o'clock..Pull the rod back by handle only, make sure it isn't slipping, pull until that flag is again at 12 o'clock..now take your measuring tape and measure from the front of the tape to the back of the bore guide, and that should give you a good idea of the twist rate.. JR [/QUOTE]
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How to measure barrel twist?
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