25-45 or 6x45 question

[noflyzone]

Shoots really really well[emoji106]

I haven't killed any critters with it


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[hoythitman]

Shoots really really well[emoji106]

I haven't killed any critters with it


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Pretty sure that's what I'm going with. No wait for the barrel, I like the quarter bore, and sending a 87 grain proj @ 3k is nice out of a AR platform. I looked at the 6-45 a lot but have to wait for barrel and ballistics are basically the same, looks like the 25 runs a tad faster.

[Mike D]

Pretty sure that's what I'm going with. No wait for the barrel, I like the quarter bore, and sending a 87 grain proj @ 3k is nice out of a AR platform. I looked at the 6-45 a lot but have to wait for barrel and ballistics are basically the same, looks like the 25 runs a tad faster.

Shoot the same weight Bullet in the 6x45 and velocity should be relatively the same.

Most people shoot 105 grain bullets in the 6x45.


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[hoythitman]

Shoot the same weight Bullet in the 6x45 and velocity should be relatively the same.

Most people shoot 105 grain bullets in the 6x45.


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Less room for powder because a smaller diameter bullet in same weight is longer and has to be loaded deeper into the case. Most of the data I've seen has the 6x45 about 200-300 fps slower for same weight projectiles. AS far as 105's I'd imagine your talking bolt guns, that's gonna be hard in a gas gun loading for magazine OAL to achieve any good speed.

[Mike D]

Agreed on the longer projectiles however they would be at a higher ballistic coefficient so would shoot flatter and buck the wind better at longer ranges with the 6x45.

I've see reports of 20-22" 6x45 BHW barrels getting 2900+ fps with 105 grain pills.


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[hoythitman]

Agreed on the longer projectiles however they would be at a higher ballistic coefficient so would shoot flatter and buck the wind better at longer ranges with the 6x45.

I've see reports of 20-22" 6x45 BHW barrels getting 2900+ fps with 105 grain pills.


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I have my long range toy, I just want a quick follow up pig smasher. I have a built 308 for 100-800 yard range, and in the process of building a 6.5 x 284 fo longer range (probably gonna replace the 308). I'm not a fan of gas guns for long range really. But I can get 2-3 pigs out of a herd with my bolt gun so I assume with a gas gun with something that weighs more than 55 grains I can get that closer to 3-5 per herd. lol. Fingers crossed.

[bboswell]

I very rarely shoot pigs in the head. They are a great test medium for bullet performance. I am sure that I have shot some good size pigs with it, just can't put my finger on it. I am lucky enough to have the opportunity to shoot several dozen+++ pigs each year. This combo has shot a lot! Most 100-150 pounders have good size exits through the shoulders. I can't recall ever having to shoot more than once when I do my part.



Longest distance at a deer that I can recall is 236 yards. Good size doe - good exit - died within 20 yards. Pretty typical results...



Here is some of the 6x45's handy work...

You have my attention. I need to study on this 6x45