.270 Question

[H4831]

The velocities I quote are read from my Pact chronograph shot from a 22 inch Mountain rifle and verified by ballistic preformance (drop)...The 59gr. IMR 4831 load is warm but completely safe in my rifle...Primer pockets start loosening up after around 6 reloads, suits me...Been loading it for over 25 years.

I find the same thing as you as far as the fragilitiy of the 130's and use them accordingly...Whitetail, caribou and smaller black bear are no problem for the 130's but when shooting moose, elk and larger bears I make sure of proper bullet placement and have never had a problem with swift kills...Infact I would rather slip a fast 130 into the lungs of a large big game animal then pound the slower well contructed 150...The difference being near instant devastating kills apposed to slower bleed out type of kill...In the end both animals are just as dead but I find the 130's out preform the 150's at velocities the .270 Wincheter can propell them at...I won't even mention the trajectory advantages of the 130's...Oooops.

And the .270 debate continues...Jack is smiling.

OK, we'll give Jack a bigger smile.
Before I had access to a chronograph, actually no normal shooter had a chronograph, because at that time the screens were metal screen and had to be replaced after every shot, I did considerable testing at 300 and 500 yards for trajectory with the 270. I would sight in at 2 1/2 inches high at 100 yards, then shoot at 300 and 500, to see how much the drop was. I used at least two different brands of bullets in each of 130 and 150 weight. Powders used were old surplus H4831 and Norma 205. All cases were Norma. I have my original notes in front of me now, as I write this and here is a sample of my tests.
Using CIL Dominion, 130 grain bullets, I shot five shot groups with 60.5 grains of H4831 and with 60.5 grains of Norma 205. Those loaded with H4831 dropped 34 inches at 500 and those loaded with Norma 205 dropped 32 inches at 500 yards.
Best 500 yard trajectory with Norma 150 grain semi boat-tail bullets, loaded with 59 grains of Norma 205, was 34 inches low at five hundred. 59 grains of either Norma 205 or surplus H4831 behind a 150 grain bullet was a pretty hot load, with the primer pockets expanding with very few shots.

 

[Lead hammer]

Right now I am very happy with my 130SST for accuracy. Was out yesterday. Spot on out to 600 yards. Was not shooting at paper but anything rabbit or larger is DRT. I have Barnes 130, accubond 140, sst150, but this gun loves 130sst, so I have not used much else just yet. 59gr of RL22, standard primer at 3075fps out of an A-bolt with a trigger job, bedded factory stock.

 

[quarterman]

The reason he gave em to you is they probably won't stabilize in a standard twist rate barrel.
See those all copper heavy weights are far longer than similar weight lead core bullets, thus having possible stabilization issues.
Also the on game performance of the heavy weight Barnes pills is pretty un spectacular, as most game species hunted here in North America, don't have enough resistance to cause adequate bullet expansion.

Go buy some un flattering Hornady SP's and live happily ever after.

I agree buy some hornady 150's

 

[WhelanLad]

my .270 using 130gr Corelokt C & C projectiles went straight through (double lung) a not quite mature Sambar stag at 290M and also double lung on a Mature Red stag at 310M and a final blow from 300M with a Neck shot which dropped it in the tracks..

Note my load consists of 45gr AR2208/Varget for est 2900fps out of a 24 Inch Rem700 sps.

With a 200m Zero, I practise at 300M quite a bit. I cant remember exactly off top of my head but I think my Drop at 300m is around 6-8inch (no quote) So after 300m I use a backline hold..

I have some 130gr TTSX to try although not 100% confident with the speed im getting out of the AR2208 to be too useful although will certainly give them a go and report after our Winter.


I shot a Sambar stag of the same Age just last week at 100-120m and was the first id shot up close with this load, POI hit high shoulder an a reminder to not hold past mid body on anything less than 200.

Loven the .270 lately!

WL

 

[H4831]

[QUOTE=Lastgun;9996707
I much prefer the 130's in the .270 as the load is flat shooting and devastating when it arrives...Found the 150's although doing the job were never as effective...But isn't that what Jack O'Connor told us over 50 years ago?

In 1975 Jack O'Connor wrote a long article in Outdoor Life magazine, on the fiftieth anniversary of the 270 Winchester calibre. I have that issue of the magazine.
He states that when Winchester designed the rifle they also designed a high quality 130 grain bullet for it. He says it was an expensive bullet to manufacture and after a few years they went to the much cheaper to produce, Silvertip line.
But he states it was that bullet that made the good reputation for the 270. He further states in the 1975 article, that he has never seen a better 130 grain bullet for the 270, than Winchester developed for the rifle in 1925.
So much for all this hype about bullets being soooo superior to anything the old timers had.

 

[sunray]

Free is good. However, Barnes' solid copper bullets require data specifically for them. Hodgdon's site doesn't list a 150 grain Barnes bullet in .270. Neither does Barnes' site. Contact 'em and ask.