mindcrime
Well-Known Member
Barnes offers a nice solid, lathe turned bore runner for the .50 BMG, but I haven't been able to find any solids that could be fired in the .338 Caliber. Any info would be appreciated.
Does anyone make Long Range SOLIDS in a heavy weight .338 cal.....
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LouBoyd
Well-Known Member
Lehigh bullets make a 245 grain 338 solid bore rider. It's BC is higher than the Lapua or Sierra 300 grain.
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The lower density matierial gives a high BC and high muzzle velocity at the expense of the bullets being physically long. You'll have to decide if they''ll work in your rifle.
I've used other Lehigh bullets with good results but haven't tried these.
mindcrime
Well-Known Member
Thanks, those look awesome. I have plenty of room in my action, as I can seat them out to 3.850" OAL.
J E Custom
Well-Known Member
Barnes makes a 245 gr Bore Tec solid with a reported .869 ballistic coefficient.
Midway had them the last time I looked.
J E CUSTOM
GREYGHOSTt
<strong>SPONSOR</strong>
the action room is not the problem the problem is the slow 1/10 twist most people have..
LouBoyd
Well-Known Member
Measured length of three 338 cal low drag bullets:
Sierra 300 grain Matchking - 1.7135"
Lapua 300 grain Scenar - 1.7375"
Lehigh 245 grain 338-100 -1.8010"
I would think they would all stabilize when fired from magnum cartridges in rifles with 10" twists. Maybe not in very cold conditions.
Sierra 300 grain Matchking - 1.7135"
Lapua 300 grain Scenar - 1.7375"
Lehigh 245 grain 338-100 -1.8010"
I would think they would all stabilize when fired from magnum cartridges in rifles with 10" twists. Maybe not in very cold conditions.
GREYGHOSTt
<strong>SPONSOR</strong>
yes they probably would.
but he was asking about heavy solids
a 300 grain turned solid would be about 2.250 to 2.500 long!
danial1973
Member
mindcrime
Well-Known Member
I am building from the ground up on a CZ550 Safari Mag. originally in .416 Rigby......I could use a 1/8" twist if I want to. Planning on having Kirby turn it into a .338 Allen Express.
GREYGHOSTt
<strong>SPONSOR</strong>
Nothing wrong with that if you do go with a 1/8 and want ot hunt with it you could use some of my 280's or 300 grain hats...
noel carlson
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MC,
If you are considering a 1: 8" twist, there are two 6.0 caliber, 265 grain, engraving-band solid copper 338 projectiles, which will be available for public release within the next three months. They will function well with a twist as slow as 9.5", but require the faster twist between 3,000 - 3,500 fps.
The target version will retail for ~$1.30 each at current copper prices. The hunt version has virtually identical trajectory, and is designed to peel open nicely in three distinct petals out to 1,500 yards, with full weight retention.
Best,
Noel Carlson
If you are considering a 1: 8" twist, there are two 6.0 caliber, 265 grain, engraving-band solid copper 338 projectiles, which will be available for public release within the next three months. They will function well with a twist as slow as 9.5", but require the faster twist between 3,000 - 3,500 fps.
The target version will retail for ~$1.30 each at current copper prices. The hunt version has virtually identical trajectory, and is designed to peel open nicely in three distinct petals out to 1,500 yards, with full weight retention.
Best,
Noel Carlson
davewilson
Well-Known Member
Noel, do you have a bore rider hunting bullet that would work with a 10 twist?
noel carlson
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Dave,
None of my designs are bore-riders. There is a maintenance issue entailed with the use of these, which is entirely circumvented by an engraving-band bearing surface configuration.
A 1: 10" exit-twist falls just outside of the rate necessary to take advantage of the copper density value. For example, the 265 grain, 6.0 caliber, banded copper solid essentially matches the 300 grain Scenar in trajectory with equivalent muzzle velocities, falling .2 mils lower at 1,200 yards (~8.4"). It requires a minimum 1: 9.5" twist however, and barely fits into available magazines even in the Norma Magnum loading. Given that the ZA338/6.0-Cu costs 40% more than the Lapua, the only justification for it's existance is extremely consistent, single digit ES, zero fouling, high accuracy, and superb expansion properties of the hunt version.
It is only when a 1: 8.0-8.5" twist is used that the ZA338/6.0 can surpass the 300 grain Lapua in BC by taking advantage of 3,500 fps muzzle velocities, and at that point it makes much more sense to move up to the 6.5, or 7.0 caliber ZA. In this region, copper has the perfect density to properly fill optimal aerodynamic forms.
None of my designs are bore-riders. There is a maintenance issue entailed with the use of these, which is entirely circumvented by an engraving-band bearing surface configuration.
A 1: 10" exit-twist falls just outside of the rate necessary to take advantage of the copper density value. For example, the 265 grain, 6.0 caliber, banded copper solid essentially matches the 300 grain Scenar in trajectory with equivalent muzzle velocities, falling .2 mils lower at 1,200 yards (~8.4"). It requires a minimum 1: 9.5" twist however, and barely fits into available magazines even in the Norma Magnum loading. Given that the ZA338/6.0-Cu costs 40% more than the Lapua, the only justification for it's existance is extremely consistent, single digit ES, zero fouling, high accuracy, and superb expansion properties of the hunt version.
It is only when a 1: 8.0-8.5" twist is used that the ZA338/6.0 can surpass the 300 grain Lapua in BC by taking advantage of 3,500 fps muzzle velocities, and at that point it makes much more sense to move up to the 6.5, or 7.0 caliber ZA. In this region, copper has the perfect density to properly fill optimal aerodynamic forms.
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