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Posted: 2/11/2006 9:29:15 AM EDT
According to this Click here Q3131a will fragment to a longer range than M-193.  

Isn't Q3131a mil-spec and M-193??


I am confused?  

So, against the all seeing Oracle, Q3131a isn't really a close second, but will actually make a 14.5" M-4 equal to a 16" barrel AR simply by using Q3131a.

Anyone shed any light on this?  I am confused as usual.

Thanks all,
Mortis...
Link Posted: 2/11/2006 1:43:56 PM EDT

Quoted:
According to this Click here Q3131a will fragment to a longer range than M-193.  

Isn't Q3131a mil-spec and M-193??


I am confused?  

So, against the all seeing Oracle, Q3131a isn't really a close second, but will actually make a 14.5" M-4 equal to a 16" barrel AR simply by using Q3131a.

Anyone shed any light on this?  I am confused as usual.

Thanks all,
Mortis...



Q3131A IS M193.

I would imagine that chart is just using the default "spec" of M193, vs actual data from Q3131A.  Variances off spec, lot to lot, will make that difference.  I wouldn't draw too many assumptions from it.
Link Posted: 2/12/2006 7:30:25 AM EDT
Ah, good point Sir.  Well taken and I thank you.
Link Posted: 2/16/2006 7:20:55 PM EDT
From what I understand, Q3131/a is M-193, just as is XM-193.  The Q3131a was made in Israel for Winchester, though it's now made here as Q3131.  The main difference I recall reading about here is that the Q3131a uses a flash retardent in the powder that reduces muzzle flash.  As a result, Federal ("USGI") XM-193 has more muzzle blast, but also a slightly higher muzzle velocity.  

I'm sure someone will come along and correct me if I'm mistaken here at all.


-K
Link Posted: 2/16/2006 7:33:30 PM EDT
Q3131A seems to have slightly higher muzzle velocity, but the difference in fragmentation range probably came from its ballistic coefficient; typical M193 is supposed to have a BC of .243, while Winchester listed their Q3131A having a BC of .267. So, Q3131A should lose velocity slower than typical M193 does, which extends the frag range a bit.

(this is of course assuming what Winchester listed on their website is correct)
Link Posted: 2/16/2006 8:27:44 PM EDT
All I know is I have shot it in the past and its as good as it gets.
Link Posted: 2/17/2006 5:29:46 AM EDT
+1  Love Q3131 over any type of M193
Link Posted: 2/17/2006 6:16:15 AM EDT
Q3131A is to M193 as . . .

. . . Morticia Addams is to Lily Munster
. . . Bill Paxton is to Bill Pullman is to Jeff Daniels
. . . Springfield Armory HD is to the HS2000
. . . loosen is to unloosen
. . .
Link Posted: 2/17/2006 6:46:00 AM EDT
Q3131A just tested a little better in the test posted above.
Link Posted: 2/17/2006 11:37:44 AM EDT

Quoted:
Q3131A is to M193 as . . .

. . . Morticia Addams is to Lily Munster
. . . Bill Paxton is to Bill Pullman is to Jeff Daniels
. . . Springfield Armory HD is to the HS2000
. . . loosen is to unloosen
. . .



I believe you mean Springfield Armory 'XD'...
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