Warning

 

Close

Confirm Action

Are you sure you wish to do this?

Confirm Cancel
BCM
Member Login

Site Notices
Posted: 7/6/2016 8:21:38 PM EST
Just got a couple sent over.  The tip was tested at RHC 48-49.  The first pic compares the M855A1 for size.  The last pic (mid-grind) shows the outer jacket and how its separated from the rear solid copper core.
wolfganggross






Link Posted: 7/6/2016 11:03:27 PM EST

Quoted:


Just got a couple sent over.  The tip was tested at RHC 48-49.  The first pic compares the M855A1 for size.  The last pic (mid-grind) shows the outer jacket and how its separated from the rear solid copper core.

wolfganggross



http://i699.photobucket.com/albums/vv360/wolfganggross/M80A1070616/M80A1070616%20012_zpsaop4bi28.jpg



http://i699.photobucket.com/albums/vv360/wolfganggross/M80A1070616/M80A1070616%20009_zpspcyumvzr.jpg



http://i699.photobucket.com/albums/vv360/wolfganggross/M80A1070616/M80A1070616%20008_zps5vaj5v6a.jpg

View Quote




nice section! Glad to see my hardness results were the same as yours. As far as material makeup:


Fe – 99.18%






Mn – 0.664%







Zn – 0.164%

Have you tested the hardness of M855A1?






 
Link Posted: 7/6/2016 11:31:21 PM EST
Link Posted: 7/6/2016 11:58:33 PM EST
My experience with M855A1 at AT this summer was that it is incredibly accurate and flat shooting.
Link Posted: 7/7/2016 12:02:43 AM EST
Neat.

Thank you for sharing.
Link Posted: 7/7/2016 3:51:09 AM EST
Discussion ForumsJump to Quoted PostQuote History
Quoted:
Is it just me... or does that look like considerably better "fit" between the various components then the M855 bullet.

I have some of these that I need to reload, hopefully accuracy will be improved as a result of tighter fit.
View Quote


Should have mentioned that these are supposed to be sloppy seconds from factory, both the M80A1 and the M855A1's.  A separate company was selling them (M80A1) by the 100 pack as blemished, some with cannalures and some with out.  From what I heard is that most where perfect to the eye.   To hard to find the real thing out of military stock, even with the good contacts that I have.

Notice that the M80A1 steel core differs from the M855A1 for a tight fit on the cannalure.  The M855A1 core is notched to accept case crimp.

All of these projectiles are built and held together with love,  They are non bonded and you would think it would cause problems with rotational drift if spinning loose inside?
Link Posted: 8/20/2016 2:45:21 PM EST
what is the grain weight of the projectile?
Link Posted: 8/20/2016 10:45:04 PM EST

Discussion ForumsJump to Quoted PostQuote History
Quoted:


what is the grain weight of the projectile?
View Quote
130gr



 
Link Posted: 8/21/2016 7:15:03 AM EST
Discussion ForumsJump to Quoted PostQuote History
Quoted:
130gr
 
View Quote View All Quotes
View All Quotes
Discussion ForumsJump to Quoted PostQuote History
Quoted:
Quoted:
what is the grain weight of the projectile?
130gr
 


Umm....no.  62gr, just like M855.
Link Posted: 8/21/2016 8:34:51 AM EST

Discussion ForumsJump to Quoted PostQuote History
Quoted:
Umm....no.  62gr, just like M855.
View Quote View All Quotes
View All Quotes
Discussion ForumsJump to Quoted PostQuote History
Quoted:



Quoted:


Quoted:

what is the grain weight of the projectile?
130gr

 




Umm....no.  62gr, just like M855.




you're thinking of the M855A1.  he was asking about the 7.62 M80A1



 
Link Posted: 8/21/2016 9:06:17 AM EST
Top Top