HuntingNut
HuntingNut
   Login or Register
HomeCommunity ForumsPhoto AlbumsRegister
     
 

User Info

Welcome Anonymous


Membership:
Latest: dewey5102
New Today: 1
New Yesterday: 0
Overall: 12385

People Online:
Members: 0
Visitors: 197
BOT: 5
Total: 202
Who Is Where:
 Visitors:
01: Photo Albums
02: Your Account
03: Photo Albums
04: Statistics
05: Photo Albums
06: Forums
07: Forums
08: Photo Albums
09: News
10: Forums
11: Forums
12: Forums
13: Forums
14: Forums
15: Photo Albums
16: Forums
17: Forums
18: Forums
19: Photo Albums
20: Forums
21: Forums
22: Forums
23: Forums
24: Photo Albums
25: Forums
26: Forums
27: Forums
28: Forums
29: Forums
30: Forums
31: Forums
32: Home
33: Forums
34: Forums
35: Forums
36: Forums
37: Your Account
38: Photo Albums
39: Forums
40: Photo Albums
41: Forums
42: Photo Albums
43: Forums
44: Forums
45: Forums
46: Forums
47: Forums
48: Photo Albums
49: Forums
50: Forums
51: Forums
52: Forums
53: Forums
54: Statistics
55: Forums
56: Forums
57: Forums
58: Forums
59: Forums
60: Forums
61: Photo Albums
62: Home
63: Forums
64: Forums
65: Forums
66: Forums
67: Forums
68: Forums
69: Forums
70: Photo Albums
71: Forums
72: Photo Albums
73: Forums
74: Forums
75: Photo Albums
76: Forums
77: Forums
78: Photo Albums
79: Photo Albums
80: Forums
81: Photo Albums
82: Forums
83: Forums
84: Photo Albums
85: Forums
86: Forums
87: Photo Albums
88: Photo Albums
89: Forums
90: Photo Albums
91: Your Account
92: Forums
93: Your Account
94: Forums
95: Photo Albums
96: Home
97: Forums
98: Forums
99: Forums
100: Forums
101: Forums
102: Forums
103: Forums
104: Forums
105: Forums
106: News
107: Forums
108: Forums
109: Forums
110: Forums
111: Forums
112: Forums
113: Forums
114: Forums
115: Forums
116: Forums
117: Forums
118: Forums
119: Forums
120: Forums
121: Forums
122: Forums
123: Forums
124: Forums
125: Forums
126: Forums
127: Photo Albums
128: Forums
129: Forums
130: Forums
131: Forums
132: Forums
133: Photo Albums
134: Forums
135: Photo Albums
136: Photo Albums
137: Photo Albums
138: Forums
139: Photo Albums
140: Forums
141: Forums
142: Forums
143: Forums
144: Forums
145: Forums
146: Forums
147: Forums
148: Forums
149: Forums
150: Forums
151: Forums
152: Forums
153: Forums
154: Forums
155: Forums
156: Forums
157: Forums
158: Forums
159: Photo Albums
160: Photo Albums
161: Forums
162: Photo Albums
163: Photo Albums
164: Forums
165: Forums
166: Forums
167: Forums
168: Forums
169: Forums
170: Forums
171: Forums
172: Forums
173: Photo Albums
174: News
175: Forums
176: Photo Albums
177: Forums
178: Forums
179: News
180: Forums
181: Photo Albums
182: Forums
183: Forums
184: Photo Albums
185: News
186: Forums
187: Forums
188: Home
189: Forums
190: Forums
191: Your Account
192: Photo Albums
193: Forums
194: Photo Albums
195: Photo Albums
196: Photo Albums
197: Forums
  BOT:
01: Photo Albums
02: Forums
03: Photo Albums
04: Forums
05: Your Account

Staff Online:

No staff members are online!
 

Coppermine Stats
Photo Albums
 Albums: 312
 Pictures: 2417
  · Views: 252989
  · Votes: 1255
  · Comments: 86
 

Support our Advertisers

M1A reloads
Discussion regarding the reloading of ammunition and tuning of loads for accuracy
Go to page 1, 2, 3, 4  Next
Post new topic   Reply to topic   Printer Friendly Page    Forum Index » Reloading Ammunition

View previous topic :: View next topic  
Author Message
Rich916
Rookie Member
Rookie Member


Joined: Feb 10, 2013
Posts: 8

PostPosted: Sun Feb 10, 2013 12:31 pm    Post subject: M1A reloads Reply with quote

I need help. My reloads are not cycling smoothly. About every third shot theyre either not extracting from the chamber or are not fully seating against bolt. I am not having this problem with store bought ammo. My loads are once fire lake city brass, hornady 150 grn fmj's, 42.4 grns IMR 8208 XBR, and remington 9.5 large rifle primers. 150 grn Hornady fmj's are loaded per HOrnady manual data, not the service rife data, I couldt find the exact 150 grn data in the service rifle section. Guns up bro's, semper fi.

Ive only been reloading for 9 months so any constructive criticism is greatly appreciated.
Back to top
View user's profile Send e-mail
dhc4ever
Super Member
Super Member


Joined: May 26, 2011
Posts: 2202
Location: Ipswich, Queensland Australia

PostPosted: Sun Feb 10, 2013 2:07 pm    Post subject: Re: M1A reloads Reply with quote

Are you full length resizing?
Which dies are you using?

_________________
Pete

Dont do anything you wont like explaining to the paramedics..............
Back to top
View user's profile
Rich916
Rookie Member
Rookie Member


Joined: Feb 10, 2013
Posts: 8

PostPosted: Sun Feb 10, 2013 2:08 pm    Post subject: Re: M1A reloads Reply with quote

Yes, full length resizing. using RCBS .308 winchester dies.
Back to top
View user's profile Send e-mail
dhc4ever
Super Member
Super Member


Joined: May 26, 2011
Posts: 2202
Location: Ipswich, Queensland Australia

PostPosted: Sun Feb 10, 2013 3:01 pm    Post subject: Re: M1A reloads Reply with quote

Being gas operated the M1a requires a certain level of gas to operate.
From your description this is your problem.

The adi powder site (who make the IMR 8208 XBR) lists th following;
150 Bench Mark 8208 24" 40.0 2605 45500 psi 44.5 C 2870 60800 psi

www.adi-powders.com.au...87.62mm%29

I would try a bit more powder staying within the listed maximum which is a compressed load in this case and see how things go.

You could also try a slower powder like AR 2208 (varget) and see what results you get there.

Also go back over your die settings and confirm all is well there.
RCBS also make a small base die specifically for semi autos, perhaps look at these if you have no joy with powder variations.

Are you using a powder thrower or throwing each load by hand and weighting each one?

No doubt others who get the pleasure of playing with semi autos will chime in shortly.

Another forum to pose the question on is;
www.ammosmith.com/forum/

Good luck with it.

Edit;
Just to confirm my remote diagnosis take a factory round and one of your reloads and compare the difference in recoil, and how the rifle cycles between the 2. If the factory round has more recoil you'll need to load yours to a similar level. More research and trial and error= more range time so its not all bad Smile

_________________
Pete

Dont do anything you wont like explaining to the paramedics..............
Back to top
View user's profile
slimjim
Super Member
Super Member


Joined: May 16, 2009
Posts: 6850
Location: Fort Worth TX

PostPosted: Sun Feb 10, 2013 3:40 pm    Post subject: Re: M1A reloads Reply with quote

I'd make sure you are setting the shoulder back enough before I'd switch to a small base die. I had to buy a Hornady case gauge to measure that I had set the shoulder back enough. Easy to do on a bolt gun without one but not a semiautomatic. I also would not use 8208 in a semi.

_________________
"To anger a conservative, lie to him. To anger a liberal, tell him the truth." - Theodore Roosevelt

"The world is a dangerous place to live; not because of the people who are evil, but because of the people who don't do anything about it." - Albert Einstein
Back to top
View user's profile
slimjim
Super Member
Super Member


Joined: May 16, 2009
Posts: 6850
Location: Fort Worth TX

PostPosted: Sun Feb 10, 2013 3:41 pm    Post subject: Re: M1A reloads Reply with quote

Also, don't crimp.

_________________
"To anger a conservative, lie to him. To anger a liberal, tell him the truth." - Theodore Roosevelt

"The world is a dangerous place to live; not because of the people who are evil, but because of the people who don't do anything about it." - Albert Einstein
Back to top
View user's profile
slimjim
Super Member
Super Member


Joined: May 16, 2009
Posts: 6850
Location: Fort Worth TX

PostPosted: Sun Feb 10, 2013 7:27 pm    Post subject: Re: M1A reloads Reply with quote

Also, don't crimp.

_________________
"To anger a conservative, lie to him. To anger a liberal, tell him the truth." - Theodore Roosevelt

"The world is a dangerous place to live; not because of the people who are evil, but because of the people who don't do anything about it." - Albert Einstein
Back to top
View user's profile
gelandangan
Super Member
Super Member


Joined: May 07, 2006
Posts: 5649
Location: Sydney Australia

PostPosted: Sun Feb 10, 2013 8:06 pm    Post subject: Re: M1A reloads Reply with quote

Yup, Slimjim has the stutters again. Very Happy

_________________
A straight line is the shortest distance between two points.
A smile is the shortest distance between two people.

The government I trust .. is my .45-70 Government.

Do - Not try!


gelandangan.weebly.com/
Back to top
View user's profile Visit poster's website
gelandangan
Super Member
Super Member


Joined: May 07, 2006
Posts: 5649
Location: Sydney Australia

PostPosted: Sun Feb 10, 2013 8:24 pm    Post subject: Re: M1A reloads Reply with quote

Okay I see two distinct problems, and due to the fact that I never have a M1, I cannot answer for specific rifle.
OTOH, these are common problems for most semiauto systems.

1. spent brass not extracting.
this can be due to many things, from low charge (pressure) to activate the extraction mechanism, to weak extractor claw, to damaged ejector pins, to dirty gas op lines, wrong location of gas lines, sticky chambers etc.
Speed of powder burns also would made difference in extraction.

If your extraction problem is due to the chamber/brass interaction problem, you would have some extractor claw marks on the lip of the brass.

if it is due to gas op system, them most likely you would have slight bulge on the wall of the brass.

Not seeing the brass, its difficult to pinpoint the problem.

2. Cartridge not fully seated.
This usually due to the error in sizing or weak main spring.
OTOH, if factory load are seated good, then the spring is not your problem.
Do you mike the neck of the reloaded cartridge? is the size the same as factory ammo?
What size projectile you use? does it bulge the brass?
Mind you often in a tight chamber even 0.001 inch would made difference.



Oh yeh.. welcome to the site Smile

_________________
A straight line is the shortest distance between two points.
A smile is the shortest distance between two people.

The government I trust .. is my .45-70 Government.

Do - Not try!


gelandangan.weebly.com/
Back to top
View user's profile Visit poster's website
Grumulkin
Super Member
Super Member


Joined: Apr 16, 2007
Posts: 365
Location: Central Ohio

PostPosted: Sun Feb 10, 2013 8:35 pm    Post subject: Re: M1A reloads Reply with quote

1. As mentioned above, I also think your load is probably a bit too low though I don't have a Hornady manual in front of me.

2. I would recommend mil spec primers. Though it doesn't happen often, using regular primers in the M1A could cause a slam fire.

3. A small base die probably isn't necessary but if the chamber of your gun is tighter than is usual it could be.
Back to top
View user's profile Visit poster's website
RePete
Super Member
Super Member


Joined: Aug 15, 2005
Posts: 750

PostPosted: Sun Feb 10, 2013 10:04 pm    Post subject: Re: M1A reloads Reply with quote

You might want to think about using a small base die from RCBS. That's all I use now and that's for bolt action rifles.

_________________
Proud member of the WTFDTSG Club.

Stercus Accidit = Sh*t Happens in Latin.

Nice try = You Suck spelled different.

Back to top
View user's profile
Pumpkinslinger
Super Member
Super Member


Joined: Sep 22, 2007
Posts: 4345
Location: NC foothills

PostPosted: Sun Feb 10, 2013 11:46 pm    Post subject: Re: M1A reloads Reply with quote

Hodgdon does recommend that powder for 7.62 NATO loads. Powder charges from 40 to 45 grains DEPENDING ON THE BULLET USED.

_________________
Mike

"I ain't no better than anyone else, and there ain't no one better than me!" Ma Kettle

Back to top
View user's profile AIM Address Yahoo Messenger Photo Gallery
Aloysius
Super Member
Super Member


Joined: Nov 03, 2009
Posts: 1991
Location: B., Belgium

PostPosted: Mon Feb 11, 2013 3:28 am    Post subject: Re: M1A reloads Reply with quote

Am I allowed to tranlate "M1A" into "FAL" ?
Mine is just a short-barreled para-FAL, but I also think your load is on the soft side. In my opinion the burning rate of the powder is fine and 146 to 165 grs bullets are splendid. Using slow powders brings the pressure peak later in the barrel and then it's very difficult to adjust the gass-valve.
So: or you increase the amount of powder or you open the gass-valve a few points untill it works OK. Don't forget to readjust that valve when you use factories again!

EDIT: I just Googled M1A and they showed me what we call the .30 M1, but that's in .30 Carbine and not .308 Win and it's no gass-operated thing... so I'm a little confused here.
Back to top
View user's profile
Vince
Super Member
Super Member


Joined: May 25, 2005
Posts: 12821
Location: Brisbane AUSTRALIA

PostPosted: Mon Feb 11, 2013 4:19 am    Post subject: Re: M1A reloads Reply with quote

Aloysius wrote:
Am I allowed to tranlate "M1A" into "FAL" ?
Mine is just a short-barreled para-FAL, but I also think your load is on the soft side. In my opinion the burning rate of the powder is fine and 146 to 165 grs bullets are splendid. Using slow powders brings the pressure peak later in the barrel and then it's very difficult to adjust the gass-valve.
So: or you increase the amount of powder or you open the gass-valve a few points untill it works OK. Don't forget to readjust that valve when you use factories again!

EDIT: I just Googled M1A and they showed me what we call the .30 M1, but that's in .30 Carbine and not .308 Win and it's no gass-operated thing... so I'm a little confused here.

M1A

M1A

_________________
Cheers, Vince Cheers

Illegitimi non carborundum
(Never let the bastards grind you down)

Live simply. Love generously. Care deeply. Speak kindly. Leave the rest to God.

"Nulla Si Fa Senza Volonta."
(Without Commitment, Nothing Gets Done)

Back to top
View user's profile AIM Address MSN Messenger Yahoo Messenger
Aloysius
Super Member
Super Member


Joined: Nov 03, 2009
Posts: 1991
Location: B., Belgium

PostPosted: Mon Feb 11, 2013 5:02 am    Post subject: Re: M1A reloads Reply with quote

Thanks. That's close to our SA FN.
When it's gass-operated like the SA FN (in 30-06) or the FAL (in .308 Win), then my remarks are still valuable. Or is your gass-valve not adjustable?
Back to top
View user's profile
Display posts from previous:   
Post new topic   Reply to topic   Printer Friendly Page    Forum Index » Reloading Ammunition
Page 1 of 4
All times are GMT - 7 Hours
Go to page 1, 2, 3, 4  Next



Jump to:  


You cannot post new topics in this forum
You cannot reply to topics in this forum
You cannot edit your posts in this forum
You cannot delete your posts in this forum
You cannot vote in polls in this forum
You cannot attach files in this forum
You can download files in this forum


Advertisements
 


Valid CSS! Valid HTML 4.01!
Click to check if this page is realy HTML 4.01 compliant for speed :)

All logos and trademarks in this site are property of HuntingNut.com.
The comments are property of their posters, all the rest © 2011 by HuntingNut.com
Interactive software released under GNU GPL, Code Credits, Privacy Policy

.: Upgraded to DragonFly 9.2 by Dizfunkshunal :.