Both have been popular from their inceptions. There are many “improved” variants of the original .284 Winchester: 7mm Walker, .284 Shehane, .284 Ackley and so on. Some of the folks that are using it in long range shooting are going with the longer barrel, but you won't notice enough loss in velocity to matter one bit with a hunting rifle.

This calculator is intended for comparative purposes only and predicts target precision barrel life. Improved by definition means “made better”, I took a great cartridge, and modified it to increase capacity, reduce pressure, and increase brass life. If your barrel loses accuracy at the 1500-round mark, then it only worked for three seconds! What is .284 KMR IMP and why choose it over the straight .284 Winchester? .284 Winchester - 7 x 55mm .284 Winchester - 7 x 55 mm ... the results were quite disappointing, due to very short barrel life.

On the other end, beyond .375 diameter, shoulder width becomes insufficient for proper headspace control. I only run the 160 class bullets but push the around 2950. Re: 284 Winchester vs 7mm SAUM Barrel Life [Re: George_De_Vries_3rd] #10324606 08/22/15 Yes i want accuracy, but I'm mainly looking for barrel life here as well as downrange energy.

A friend and I have built 284's for 1000 yard F-Class competition. On the other hand, plenty of .243 Win and 6.5-284 barrels lose accuracy in 1500 rounds or less.

Accurate Barrel Life. 284 Win barrel life. Comparing the .270 with the 7mm Remington magnum is like comparing grits and white cornmeal. These ballistics make it clear that the .284 is still every bit as good as the .280 Remington with the same weight bullet. But it ought to be a less than a 284 diameter bullet and more than a 264. The following data was developed in a Remington 40X rifle that started life as a 6mm BR Remington. There are a few F-class and bench guys who have been shooting the 6.5-284, that are switching back to the straight 284 thanks to some great High BC 7mm bullets and better barrel life over the 6.5. .284 Winchester is a very common caliber in the long range F-Class world and more than a few records have been taken with rifles shooting it. View Profile View Forum Posts Registered User Join Date May 2003 Location Balto., MD Posts 569. Messages: 3,892. The average cost of a barrel, chambered and fitted, is $500.00. Run the 180 class bullets around 2850+ and you'll get best barrel life with H4831sc. How do I … It all depends on the bullet weight and how hot your loads are. Accurate Barrel Life. The .284 winchester will do fine with a 20" barrel. April 13, 2015 at 8:45 pm. ... which is a direct conversion. Rflshootr. 6MM-284 WINCHESTER. We shoot F-Class so they are shot pretty quickly (20-22 shots per relay) and usually around 70 … So even thou I plan to touch the outer fringes of that wonderful +4000fps I will slow things down to preserve the barrel some. The barrel probably has a 14-inch twist, so it might not stabilize the heavier bullets. There are a few F-class and bench guys who have been shooting the 6.5-284, that are switching back to the straight 284 thanks to some great High BC 7mm bullets and better barrel life over the 6.5. It has a double set trigger,, fine line checkering, engraved receiver, floor plate, trigger guard, buttplate and flip-up rear sight. IMHO, a 26" barrel would be too short. It has a Leupold Vari x 1 3x9x40 scope mounted on the barrel which has an excellent bore. How do I … Yes i want accuracy, but I'm mainly looking for barrel life here as well as downrange energy. With a 26" barrel, you simply lose many of the advantages of the chambering. Of course the short, handy mountain rifles for which the .284 seems best suited seldom come with 24" barrels. Observing that the .284 Winchester was originally designed for short actions, Kyle built his .284 on a short action. No one I know takes a 264 diameter barrel 4000 accuracy rounds. Introduced by Winchester in 1963, the .284 Winchester was designed to achieve .270 Winchester and .280 Remington performance from the new Winchester Model 100 autoloader and Winchester Model 88 lever-action rifles. From the standard Model 88 rifle or short action bolt action rifles, all featuring 22” barrels, the .284 Winchester is an immensely effective medium game cartridge. My .284 barrel now has 1,036 rounds, and by all indications it will shoot well to 3,000+ rounds. Both are excellent cartridges.

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