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Author Topic: Reloading 270 Winchester  (Read 255 times)

Offline MichiganLouie

  • 16 Point
  • Join Date: Apr 2009
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Reloading 270 Winchester
« on: March 11, 2019, 08:23:31 AM »
I'm about to start reloading 270 win ammo. Friend has a Win Model 70, which he plans to use on coyotes and such.  We kind of figured we want to use 130 gr bullets, most likely Hornady spirepoints.  The big question is which powder to use.  I have 4064, 3031, 748 on hand. These are my go to powders for 30 cal ammo. I also use 748 for .223. 
Don't ask the Lord to guide your steps, unless you're willing to move your feet.
NRA Life Member.
Started reloading my own ammo to save money 35 yrs ago.  Should start saving money anytime now.

Offline gobihawk

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Re: Reloading 270 Winchester
« Reply #1 on: March 13, 2019, 02:41:00 PM »
I use RL22 in my 270 Savage 130 and 140 grain bullets.  For yotes I would use 120 grain bullet.
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Offline MichiganLouie

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  • Posts: 8325
  • Location: Climax, MI
Re: Reloading 270 Winchester
« Reply #2 on: March 13, 2019, 08:25:44 PM »
Thanks, Gobihawk.  I have done a little research, and I found that 748 and 3031 are a bit too fast, while 4064 works well. 760, being slower, works well, too.
Don't ask the Lord to guide your steps, unless you're willing to move your feet.
NRA Life Member.
Started reloading my own ammo to save money 35 yrs ago.  Should start saving money anytime now.

Offline BoBallistic

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  • Location: Tennessee
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Re: Reloading 270 Winchester
« Reply #3 on: April 02, 2019, 12:31:46 PM »
Louie - I own and have reloaded for four 270's Winchester....I have been reloading 270's for many years....I have found that two of the four like the 130 gn and two like the 140 gn bullets.

For example, my oldest 270 Win is a model 70A and I bought it in 1972 and have shot it about 500 times, I have experiment with the 100 through 160 gn bullets with it. I have finally settled in on a 130 gn Nosler Ballistic Tip using H4831, 52.23 gns of powder and seating it off the lands .021" but that is for this one rifle...I have tried 4350, H4350, and 4831, 760, and Viht 140, AA2220 and AA2230. The barrel is a #3 and is 22" long and has 10.011 twist in it....

You have to settle in on one powder and one bullet for your or any rifle,

Another example is my Ruger M77 in 270 Win, I tried and tried 4350 and 4831 in it for years and years trying different powders along the way and finally settled in on the H4831 using 53.11 gns of powder, it too is a 22" No 2 barrel with 10.00 twist in it...love this rifle but I as just about to sell it when back in the 90's I was at Knob Creek Range and was doing some target shooting and there was a guy who came up and we got to talking and I told him about my problem, he told me he had the same rifle and had a similar problem and then switched powder to a H powder and I came back home to TN and loaded up some H4831 and the groups dropped from 2" groups to half inch group..same amount of powder and same brass and same primer but a different powder. Was usinsg IMR-4831 and then switch to H4831 and it was like magic....so I switch from IMR4831 to a H4831 on the Model 70A and it too was magic, so now it is my standard load for both those two rifles....

Having said all of that, the 270 Win in a Sendero loves the 140 gn using the IMR-4350 powder 52.25 gns of powder the CCI-BR2 and seating it off the .015 off the lans and I have shot several groups almost through the same hole at 200 yards...my other Remington 700 in 270 loves the 140 gns but using the IMR4831 powder...so each rifle has it likes and dislikes...

I do like the 140 gn for either my 270 WSM McWhorter or my 270 WSM Savage but for the 270 Wea, the bullet it likes is a 130 gn Accubond...My 6.8 SPC loves a 110 gn bullet. It is in a AR platform...so go figure....

The loads are just my own personal loads, you have to determine what bullet powder primer and brass that you own rifle like.....hope this helps.....Bo

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