Home Forums Hunting & Shooting Long Range Hunting 280 ackley improved

Is anybody using a 280 ackley improved for long range, or has anyone used one in the past?

I'm just now getting to know my latest project: a 280AI on a pre 64 M70 action, 24" pac-nor barrel and rimrock stock, so far so good...not sure if I'm a true longrange shooter, but I do like the round thus far.

I was asking because I just got mine a few weeks ago 280ai on a 700 action 24" broughton #4 barrel with a bansner stock just past break in and is shootiing less than 1/2" groups at 100 yards, I will try some 500 yard plus shots soon I hope.

I have one at the gunsmith right now getting rechambered, stampped, and trigger adjusted. It is a Ruger M77 MKII. It will be my backup deer rifle and the if I ever go out west one day gun.

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I am -mine is a rem. 700 adl -hs precision stock -broughton 28" #4 throated for 162gr hornady amax - muzzle break -6.5x20-50 zeiss conquest -burris signature series rings w/ 10moa inserts.
It was built by Nathan Dagley of Center , N.Dakota.
Working out of town right now and haven't had much of a chance to do load developement ,shoots 140nbt's 3/4" @100yds. off of harris bipod.

I've had real good longrange luck using RL-22 and 25 with 160's and 162's in my APS [Kirby Allen] built 280AI.
It's a great western open range rig!
FWIW
wes in AZ

I just had a 280 AI built by GA Precision. the specs:

Trued 700 LA
Manners MCST stock
jewell trigger
Shilien Select Match 1/8 twist throated for the 180 VLD

This rifle is a tack driver. Cant wait for hunting season.

My load is 56.5 grains of RL 22
Nosler Ackley Brass
CCI Benchrest Primer
180 Berger VLD

Myself and shootone have shot this out to 1k. It really stick em in there.

Nope, got a 7mm RM that will do everything a .280 Rem AI will do, and then some.

I am in process of building a 6.5mm-06AI. Just prdered the Krieger barrel yesterday and am shipping my stock and action to them today.

It's always interesting to read how adding 50 fps to the standard .280 (or 100 fps to the standard .270) results in a 1000-yard rifle.

Looneism?!?! (SP)

Perhaps "incremental loonyism"?

Plus P....<g>

Dober

Finally had a chance to go beyond 100 yds. with mine this AM, and can say with certainty that all the bullets fired at the 500 yard target made it the whole way there. Musta been the "Dober Dotz" ! (grins)

Hopefully they work out well for you, my opinion is it don't get any easier than dotz!

Dober

Well Mark, all you've said about them was true on this first trial, muchas gracias. I've been too busy building a new house to put in much trigger time lately but hits were easy and the dotz tracked in both my .280AI and my .223.

"Bend" on the other hand, has been shooting alot and didn't seem to need no stinkin' dotz!

Doesn't look like they'll line up with the trajectory of my .257Roy though....

They'll prolly linke up with your Roy also, just in 200yd increments with a 300yd zero!

Obviously not really, but still pretty damn cool.......

BTW, my .280AI should be done in about a month. I can't wait!

I can't wait to see how that rig turns out. You are definitely doing it right!

I have a M700 trued action, Tubb Recoil Lug, Hart 24" #5 Fluted barrel pillar bedded into a LSS stock. Scope is a Leupold Mark 4 4.5-14x40mm.

My go to load is the 160 gr AB with RL 22 and Federal GM215M primers. MV is 3000 fps and accuracy at 500 yds is .5 MOA.

JD338

Hmm, looking through Nosler 6 I finally picked up this past week. I see the top 7 Rem Mag load with a 160gr Accubond at 3077 using 72 grains of Magpro. 280AI tops out at 3045 using 59.5 grains of Viht N560.

12.5 more grains of powder to gain 32 fps. Impressive!!


Seriously though, I'm curious, what makes a 1000 yd round? 7RM, 280AI, 6.5-284, WSM's... all are damn near ballistic twins.

So are the 300WM, RUMS', Weatherby Mags, 338 Lapua and 50 BM the only 1000 yard rounds?