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View Poll Results: Better caliber for long range/ all around hunting using 140 gr bullet
6.5-06 AI 174 43.28%
280 AI 228 56.72%
Voters: 402. This poll is closed


6.506 vs 280 AI using 140 gr bullets

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Unread 01-16-2012, 10:04 PM
Junior Member
Join Date: Oct 2011
Posts: 27
Re: 6.506 vs 280 AI using 140 gr bullets

just got back from a souh texas deer hunt...i used a 280 ai..wish it belonged to me but dammitt it belongs to a friend...i have used this rifle on 2 diffrent hunts. so far 4 shots fired....3 dead deer.all were shot with the berger 140 grain vld.the 1 missed shot was my fault NOT the rifle or load. yesterdays kill was at 240 yrds thru the throat.. i know guys a neck or throat shot is risky BUT it was the only shot i had. i figured if i missed oh well..but it was the only deer i had seen in 3 days of hunting and season was over at sundown so i took a chance and got some meat for my freezer...i am in the prosess of ordering a barrel for my mauser 98 action and building the 280 ai for myself.
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Unread 01-25-2012, 03:08 PM
Silver Member
Join Date: Oct 2011
Posts: 226
Re: 6.506 vs 280 AI using 140 gr bullets

Originally Posted by liltank View Post
Nosler brass is okay until you use a high pressure load. The primer pockets then loosen to a point they don't hold a primer. If you use loads within spec they do fine. Just don't go nuts trying to push the limits of the caliber.

I shot a case of 20 nosler 308 custom competition out of my ar-10 and 3 out of 20 blew out the primers, so Id have to agree with you on their brass not holding primers well
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Unread 02-02-2012, 09:37 PM
Silver Member
Join Date: Aug 2008
Location: Fort Worth, TX
Posts: 159
Re: 6.506 vs 280 AI using 140 gr bullets

If you are set on shooting 140's the 6.5 will be superior where wind drift is concerned. The 6.5 will also start pulling away from the 280 drop wise @800 yards. However if you build the 280 specifically for 160 and up bullets like the 168 and 180 Bergers, the 6.5 is not in the same league ballistically and also where terminal ballistics is concerned there is no comparison.

I shot the 280 AI for years thinking the 140 at 3250 was the bomb. I built a rifle for the 180's and man what I have been missing.
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Unread 09-17-2012, 05:59 PM
Junior Member
Join Date: Dec 2011
Location: Whitehorse, Yukon
Posts: 20
Re: 6.506 vs 280 AI using 140 gr bullets

Got our caribou this August. I used a 6.5 Rem mag and 140 grain bullets at just under 3000fps. This is basically a 6.5-06 improved in a different form. The high BC of a 6.5 140 grain makes for quite the long range rig with very controllable recoil.

More here, from scouting to dancing to shooting to meat processing. The DRT action of a 140 grain bullet at 175 yards is seen at about 1:15 or so. I like 7mm but if limited to 140 grain bullets the 6.5 is better!

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Unread 10-29-2012, 02:31 AM
Silver Member
Join Date: Jan 2011
Location: Redlands CA
Posts: 380
Re: 6.506 vs 280 AI using 140 gr bullets

You know, just to further mess with your head; why not a 270 AI? It splits the difference on what is bothering you.

It will push a 130gr over 3300 fps, a 140 over 3200fps, the 150s over 3150. I have only started to use the matrix 165s and that looks comfortable at 2950 fps. It also has a HUGE bc.

So there you go, split the difference and have the best of both worlds.

Ps if you do this get a 1:9 barrel.

If you are a 270 AI hater in the crowd, dont bother me. I really like mine and it shoots great.
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Unread 02-25-2013, 04:38 PM
Platinum Member
Join Date: Oct 2008
Location: Alabama
Posts: 10,003
Re: 6.506 vs 280 AI using 140 gr bullets

My vote is for .280 AI.....That is what my next custom rifle will be chambered in.
"I'm just a peckerwood who lives in the hills with too many guns..." - Bob Lee Swagger

"Give me a minute...I'm good. Give me an hour...I'm great. Give me 6 months...And I'm unbeatable." - Col. Hannibal Smith

Originally Posted by WildRose View Post
The 284 is to the STW what a tricycle is to a Ninja.
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Unread 08-02-2013, 09:27 AM
Gold Member
Join Date: Sep 2004
Location: Nevada
Posts: 836
Re: 6.506 vs 280 AI using 140 gr bullets

6.5 - 06 AI for sure It has a nice selection of bullets with great BC and no shortage of donnor brass from the 06 line up.

As to 7mm I have the best one. It is the 7STW. When a 280 or 7mag is blowing primers the 7stw is a light load
.270 Ackley improved 29 inch 1.250 dia. target barrel 7mm STW 28 inch 1.250 target barrel. I also love my .458 mag for varmints and the biggest game in the world.
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