Encore 450 bushmaster barrel length

I know of one so far, let's see if more show up.

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Re: Encore 450 bushmaster barrel length

Postby pitted bore » Mon Jun 13, 2016 7:49 pm

2500HD-
Many thanks. I'll patiently await the remainder of your numbers.
--Bob
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Re: Encore 450 bushmaster barrel length

Postby 2500 HD » Mon Jun 13, 2016 7:58 pm

C.o.a.l tapered crimp between the driving bands at 2.2875". The muzzle measures .803. At forend .810 straight to the Breech 1.00". Gun with laminated stocks, dnz med. mount and vx3i 3.5-10x40 scope weighs 8 3/4 lbs.
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Re: Encore 450 bushmaster barrel length

Postby pitted bore » Tue Jun 14, 2016 9:47 am

Ken-
Your response is really helpful.

Your rifle's 8-3/4 lb weight will be appreciated if you continue to work with 450B loads at the velocities enabled by the fixed-breech construction. The 200-grain load at about 2850 fps is approaching recoil generated by the 300 Weatherby.

(For comparison, the barrel on my heavier bench rifle is 26" long, 1.200" dia at the breech, tapering to 0.840" at the muzzle. No fluting. Other description is here: A Second Bolt Rifle.)

The c.o.a.l. of your load is a tad longer than mine (2.180"). I stuff in a bit more Lil'Gun, and find a heavy side crimp into a groove is needed for good ignition.

Thanks, and as you develop loads I hope you post results in the 450 handloading segment of the forum.

--Bob
Last edited by pitted bore on Tue Jun 14, 2016 7:48 pm, edited 1 time in total.
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Re: Encore 450 bushmaster barrel length

Postby 2500 HD » Tue Jun 14, 2016 10:11 am

The weight is back on your hands. The gun feels lighter than it weighs. With these faster loads the muzzle jumps and deffinately has more recoil than the factory rounds. Lol. Loaded 3 last night with 44 gr. Again. Gonna check how they group. When I get time.
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Re: Encore 450 bushmaster barrel length

Postby kottke_35 » Wed Jun 22, 2016 5:27 pm

That's a fine looking rifle!

B.
Warriors don't shoot bull's-eyes.

” Blessed are those, who in the face of death, focus on the front sight.”
-Col.. Jeff Cooper
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Re: Encore 450 bushmaster barrel length

Postby 2500 HD » Wed Jun 22, 2016 8:23 pm

Thankyou and so far it's shooting well too. The 44 grain 200 xpb loads held a 3/4" three shot group at 100 yrds. Group was a perfect triangle. I moved my scope and shot 2 more and the holes touched. Hope to try 200 &300 yrds next.
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