The Firing Line Forums

Go Back   The Firing Line Forums > The Skunkworks > Handloading, Reloading, and Bullet Casting

Reply
 
Thread Tools
Old August 15, 2002, 11:03 PM   #1
Northwest Cajun
Senior Member
 
Join Date: December 26, 1999
Location: Spanaway Wa. &Lafayette La,(Cajun Country)
Posts: 189
180's in an M1A

Hi Guys,
Are 180 gr bullets too heavy to shoot in an M1A?

It's brand new standard grade and I'm trying to figure out an accurate load that will not bend or break anything.
I'm using Varget powder &CCI LR primers in Mil brass.
I tried some 150's, 165's & 180's with 42.5gr Varget. The 180's were my best group of the session. There were a few with the 150's that didn't eject.
Any help will be greatly appreicated.
Cajun
__________________
Laizzes Les Bon Temps Rouler!
Northwest Cajun is offline  
Old August 16, 2002, 09:46 AM   #2
moredes
Registration in progress
 
Join Date: September 7, 2001
Posts: 325
A few sources I trust (Zediker, Snipershide for two) say that Varget is too slow a powder for an M1A. 180 is the verymost upper limit on an unvented gun, and the consensus is 175 SMK's are the accepted normal heavyweight. Powders I've seen recommended without dissent are IMR 4064, IMR 4895, RL-15, Benchmark, WW748, Ramshot TAC, BL(C)-2, N140 and 150. There are volumnous posts on the 'net on the compatability of 4064 and 4895 use with the M1A. The IMR's and especially BL(C)-2, WW748 have a reputation of being sensitive to temperature. I have found sporadic input on the rest, here and there, with no real overwhelming trend towards any one of the other powders.

Basically, the "geezers" shoot/stay with, the IMR's; the new blood or curious are trying the other powders. I suspect the lack of an overwhelming migration to one of the non IMR powders is more the unwillingness to leave a known load to experiment with another powder and work up a new load, coupled with the economics of having to abandon a successful powder to the shelf.
moredes is offline  
Old August 16, 2002, 10:37 AM   #3
Northwest Cajun
Senior Member
 
Join Date: December 26, 1999
Location: Spanaway Wa. &Lafayette La,(Cajun Country)
Posts: 189
Moredes,
I use Varget because I get it in large quanities. I've successfully developed Varget loads for all my rifles .223,.300 savage,.30-06 and 45-70 and I'm hoping to do the same with .308 in my M1a. You can put it two ways , I'm either frugel or a tight a$$
I know high power shooters use it for 1000 yd matches but I dont know if they use a bolt or a gas gun.
I'm not trying for top speed but I'd like to find a fairly accurate
(under 2" @ 100yds) loads. It being a standard grade with chrome lined barrel, I know I will never get the 1/2 MOA that everybody else is striveing for.
I'll get some 165 or 168's in A-max or SST and try agian. Thats the fun of it, I just don't want to break anything.
Thanks for the reply
Cajun
__________________
Laizzes Les Bon Temps Rouler!
Northwest Cajun is offline  
Old August 16, 2002, 10:43 AM   #4
sleeping dog
Senior Member
 
Join Date: March 2, 2000
Location: MI
Posts: 536
Cautious and conservative reloading is one way to ensure you live long enough to attain the status of "geezer"

For experimenting with very slow or very fast powders or off-spec bullet weights, if I'm shooting my M1, I replace the gas tube plug with one that has a 1/8" hole drilled through it, turning the gun into a straight-pull bolt-action. No bent op-rods. I suppose the M14/M1A could work the same way.

Regards.
sleeping dog is offline  
Old August 16, 2002, 02:00 PM   #5
Steve Smith
Senior Member
 
Join Date: December 9, 1999
Posts: 4,131
Some of us use the 4895 because its just cheap as dirt, not because we're geezers!

I suppose if I were competing with the M1A, I'd look at switching to RL-15.
__________________
Favor the X.


Steve Smith
NRA Life Member
Steve Smith is offline  
Old August 16, 2002, 05:43 PM   #6
Northwest Cajun
Senior Member
 
Join Date: December 26, 1999
Location: Spanaway Wa. &Lafayette La,(Cajun Country)
Posts: 189
Steve,
How is RL 15 with .223 and 30-06 ?

Cajun
__________________
Laizzes Les Bon Temps Rouler!
Northwest Cajun is offline  
Old August 17, 2002, 03:54 AM   #7
moredes
Registration in progress
 
Join Date: September 7, 2001
Posts: 325
I use a vented cylinder too, on my M1A. Works just like Sleeping Dog says.

Again I'd agree with Steve. I use 4064 because the 4895 just doesn't shoot as well and I have a ton of 64 I got free. Otherwise, I might show more patience in developing a satisfactory 4895 load, so I could qualify as a cheap geezer.
moredes is offline  
Old August 17, 2002, 07:18 AM   #8
C.R.Sam
Senior Member
 
Join Date: October 29, 1999
Location: Dewey, AZ
Posts: 12,859
Accurate 4895 loads worth workin for.

4895 temp stability is great. Desert big horn or high country winter Elk......very little performance change.

Safe.

And inexpensive.

Sam.....geezer qual many yars yor.
C.R.Sam is offline  
Old August 17, 2002, 10:03 AM   #9
Steve Smith
Senior Member
 
Join Date: December 9, 1999
Posts: 4,131
I have no idea how 4895 works with .30-06 or RL-15. I've never loaded for 06, only .308. I could assume that they were the same, but I could be wrong.
__________________
Favor the X.


Steve Smith
NRA Life Member
Steve Smith is offline  
Old August 18, 2002, 10:58 PM   #10
hps1
Senior Member
 
Join Date: May 26, 2002
Location: Texas
Posts: 394
4895 in 30-06

4895 is excellent powder for 150's & 168's in the 30-06, both gas guns and bolt guns.

Regards,
hps
hps1 is offline  
Reply

Thread Tools

Posting Rules
You may not post new threads
You may not post replies
You may not post attachments
You may not edit your posts

BB code is On
Smilies are On
[IMG] code is On
HTML code is Off

Forum Jump


All times are GMT -5. The time now is 01:50 AM.


Powered by vBulletin® Version 3.8.7
Copyright ©2000 - 2014, vBulletin Solutions, Inc.
This site and contents, including all posts, Copyright © 1998-2013 S.W.A.T. Magazine
Copyright Complaints: Please direct DMCA Takedown Notices to the registered agent: thefiringline.com
Contact Us
Page generated in 0.06258 seconds with 9 queries