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June 14th, 2015

Which is Better: .260 Remington or 6.5×55 Swedish?

6.5x55 SE, 6.5 Swedish 6.6x55mm .260 Rem Remington Laurie Holland comparison

The .260 Remington and the 6.5×55 Swedish (aka 6,5x55mm SE) are both very popular cartridges with hunters and target shooters. The 6.5×55 has a long military heritage and a great record as a hunting round. The .260 Rem, essentially a .308 Win necked down to .264 caliber, is a more recent cartridge, but it grows in popularity every year, being one of the top cartridges for tactical/practical competitions. It offers better ballistics and less recoil than the parent .308 Win cartridge. In our Shooter’s Forum, respected UK gun writer Laurie Holland provided a good summary of the differences between the two chamberings. Laurie writes:

Remington 260 CartridgeThe 6.5×55 case has 6 or 7% more capacity than the .260s, even more in practice when both are loaded to standard COALs with heavy bullets, which sees them having to seated very deep in the .260 Rem using up quite a lot of powder capacity. So loaded up for reasonable pressures in modern actions, the 6.5×55 will give a bit more performance.

The issue for many is what action length is available or wanted, the 6.5×55 requiring a long action. So sniper rifle / tactical rifle competitors will go for the .260 Rem with the option of the many good short-bolt-throw designs around with detachable box magazines (DBMs). If a bit more performance is needed, the .260 AI (photo right) can yield another 100-150 fps velocity, depending on bullet weight.

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Permalink Bullets, Brass, Ammo, Tech Tip 8 Comments »
June 14th, 2015

Find Optimal Barrel Twist-Rate with Berger Stability Calculator

Berger twist rate calculatorBerger Twist-Rate Stability Calculator
On the updated Berger Bullets website you’ll find a handy Twist-Rate Stability Calculator that predicts your gyroscopic stability factor (SG) based on mulitiple variables: velocity, bullet length, bullet weight, barrel twist rate, ambient temperature, and altitude. This very cool tool tells you if your chosen bullet will really stabilize in your barrel.

LIVE DEMO BELOW — Just enter values in the data boxes and click “Calculate SG”.

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Permalink Bullets, Brass, Ammo, Tech Tip 4 Comments »
June 14th, 2015

Hornady AutoCharge Powder Scale/Dispenser Under $180.00

Hornady Lock N Load Autocharge Electronic Powder Dispenser ScaleThe Hornady Lock N Load AutoCharge Electronic Scale/Dispenser is now on sale for just $179.49 at Midsouth Shooters Supply, and $178.28 at Amazon.com. Those are the lowest prices we’ve seen on this product in a long time, making this a real bargain. If you are looking for an affordable combination digital scale and powder dispenser, this is very attractive pricing. By comparison, the RCBS ChargeMaster now sells for $314.99 at MidwayUSA. That means you can save at least $135.00 by buying RED instead of GREEN.

While we have a lot of positive experience with the RCBS Chargemaster, we haven’t done any long-term testing of the Hornady AutoCharge. However, user reviews have generally been positive. We suggest you do your own research and then make your own decision. Both the Hornady LnL AutoCharge and RCBS ChargeMaster offer load precision to ±0.1 grains. Both the Hornady Autocharge and the RCBS ChargeMaster are sold with a one-year manufacturers warranty.

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Permalink Hot Deals, Reloading No Comments »