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Rifles, Reloading, Optics, Equipment
Reloading
Why/How do you pick the projectile to build your load around?
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<blockquote data-quote="Paladin300" data-source="post: 2371728" data-attributes="member: 115299"><p>Every rifle I own has its own intended purpose, twist rate, and barrel length. Depending on that primary purpose I then chose the appropriate bullet weight and type. For example all my long range rifles sport 26"-27" barrels and fast twist barrels so that we can shoot heavy for caliber bullets at max velocity. When I build or buy a rifle, I usually build it or purchase it with a certain use and projectile weight in mind and then develop the load based on the barrel harmonics, looking for accuracy nodes. My 338 was built around shooting 250-300 grain bullets with max powder capacities. We throated it extra long in order to seat bullets out further to gain extra capacity. We went with a 27" Bartlein barrel with a 1/10 twist (I wish I had gone 1/8, so it would stabilize the 285 grain flatliners from Warner). That gun was built to like and likes Berger 300 grain OTMs at .010 off the lands over 91 grains of H1000 producing an average velocity of 2775 and groups 1/2 moa or better. The other pill it likes is the 265 ABLR over 91 grains of IMR 4350 seated .050 off the lands which allows them to be loaded in the Wyatt's box. Velocities are in the 3100+fps range. I say all that, to say, determine the primary use of the rifle first. Then pic the best projectile for that intended use; weight, sectional density, bullet construction and then develop your load around that projectile by looking for accuracy nodes and adjusting the seating depth. Hope that gives some direction to your question.<img class="smilie smilie--emoji" loading="lazy" alt="🤔" title="Thinking face :thinking:" src="https://cdn.jsdelivr.net/joypixels/assets/8.0/png/unicode/64/1f914.png" data-shortname=":thinking:" /></p></blockquote><p></p>
[QUOTE="Paladin300, post: 2371728, member: 115299"] Every rifle I own has its own intended purpose, twist rate, and barrel length. Depending on that primary purpose I then chose the appropriate bullet weight and type. For example all my long range rifles sport 26”-27” barrels and fast twist barrels so that we can shoot heavy for caliber bullets at max velocity. When I build or buy a rifle, I usually build it or purchase it with a certain use and projectile weight in mind and then develop the load based on the barrel harmonics, looking for accuracy nodes. My 338 was built around shooting 250-300 grain bullets with max powder capacities. We throated it extra long in order to seat bullets out further to gain extra capacity. We went with a 27” Bartlein barrel with a 1/10 twist (I wish I had gone 1/8, so it would stabilize the 285 grain flatliners from Warner). That gun was built to like and likes Berger 300 grain OTMs at .010 off the lands over 91 grains of H1000 producing an average velocity of 2775 and groups 1/2 moa or better. The other pill it likes is the 265 ABLR over 91 grains of IMR 4350 seated .050 off the lands which allows them to be loaded in the Wyatt’s box. Velocities are in the 3100+fps range. I say all that, to say, determine the primary use of the rifle first. Then pic the best projectile for that intended use; weight, sectional density, bullet construction and then develop your load around that projectile by looking for accuracy nodes and adjusting the seating depth. Hope that gives some direction to your question.🤔 [/QUOTE]
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Rifles, Reloading, Optics, Equipment
Reloading
Why/How do you pick the projectile to build your load around?
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