02-23-2019, 04:22 PM
204 AR Wrote:I determine distance to lands with a cleaning rod from the muzzle end, you need a blunt end on it and a way to mark it. I use a plastic stop collar like this https://www.midwayusa.com/product/101483...g-rod-stop.
Install the bolt in the receiver, then slide the cleaning rod in till it makes contact. Slide the stop down to the muzzle and snug it up. Now remove the bolt, insert the bullet and lightly tap it up to the lands, slide the cleaning rod down the barrel again till it just touches the bullet, and measure from the muzzle to the plastic stop with a caliper. Now you have the oal. Easy, works on any barrel, any caliber.
That's actually a really good idea, and should get me close enough. Thanks!