300 Winchester Short Magnum The COAL is the cartridge overall length. Start increasing or decreasing 0.005 in at a time until you achieve the grouping you desire. Cartridge : .270 WSM Bullet : .277, 140, Nosler AccuBond 54765 Useable Case Capaci: 71.442 grain H2O = 4.639 cm³ Cartridge O.A.L. The spirals give the bullet spin and help it to be more accurate. It gives a way to measure bullet seating depth using a marker and a bullet. Be careful if you are putting a jam on the bullet as this will caused increased pressure. 6.5 Creedmoor Please look at the link below and work up. 115 SW Columbia St | Bend, Oregon, USA 97702 | Toll Free: Nosler Showroom / Open to the Public: Monday - Friday 10:00 am to 5:30 pm PST, http://www.alliantpowder.com/reloaders/ ... rtridge=64. Each brand will have a slight variation on their bullet. COAL: Barrel Length: Muzzle Velocity: Notes: 150 Gr Hornady SST (G7 .245 BC) 67 Gr Hodgdon H1000: WLRM: 2.8170: 23" 3100: Awesome accuracy! Also, if you are hunting or in a situation where you want to remove a cartridge from the chamber without firing it, a jammed bullet may stay stuck in the barrel.
If you are shooting a .270 and shoot bullets from two different companies, you will want to do the same for each brand. Either way should cause the bullet to come free. One thing to also consider is that you want to leave at least the width of the bullet in the casing. One thing you will want to do is make sure the base of the shell to the tip of a trimmed casing that has been fired from your is the same as the modified bullet in Hornady OAL kit. We will continue to develop reloading data that was not included in the 1st Edition. Powders include Hodgdon, Ramshot, Accurate, IMR, Alliant How to Quickly and Easily Sight in a Rifle Scope. Users browsing this forum: Google [Bot] and 6 guests, Nosler Inc | Privacy Use Order Processing, I am looking to switch to RL26 in my 270 WSM, will be using the 140gr Accubonds. Hornady makes an OAL length gauge. In the course of researching this article I found a couple of sources that you may want to read for some additional knowledge.
140 gr ClassiC hunter g1 BC = 0.528 G7 BC = 0.271 Part # 27571 - 1 in 10” twist or faster For bullet dimensional details, click HERE. The bolt could pull the casing free from the bullet. 30 Nosler, 338 Winchester Magnum You can find it on Amazon here: Hornady OAL Gauge.
CBTO is the Case Base to Bullet Ogive. This will help to stabilize and seat the bullet. The .270 WSM is a very accurate round, has a thick tough casing, modern Ackley type 35 degree shoulder, 130 and 140 grainer's fly like a Lazer beam.
Copyright © ReloadBoss.com All right reserved. Your bullet length may have variations. After shooting a group and examining the accuracy, you can increase or subtract 0.005″ and go from there.
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