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Posted: 6/15/2009 7:25:08 AM EST
I've been reading about this cartridge online and it seems to be pretty competitive to the 50bmg.

From what I can tell it seems to have a little more power than the BMG has with it , so I'm curious
as to any firearms that are available in the US that are chambered for it.

It could be pretty cool IF someone was able to import russian surplus as i'm sure there's a ton
on the market.

Link Posted: 6/15/2009 8:33:17 AM EST
I'm pretty sure it actually has less power than the .50 BMG, but my memory could be failing me, at the moment.
Link Posted: 6/15/2009 9:22:16 AM EST
From my understanding , using ball ammo , the 12.7 is a bit hotter (longer case) than the 50bmg
Link Posted: 6/15/2009 9:28:16 AM EST
As far as I am aware there are no weapons in this caliber available in the US and there is no ammo in this caliber available either.

Warsaw Pact countries used this round extensivley and the USSR used it back before WWII

the dshk is the most famous firearm in this caliber it is a belt fed HMG like the M2

the v-94 and gerad sniper rifles are also in this caliber
Link Posted: 6/15/2009 1:18:05 PM EST
Originally Posted By Shockergd:
From my understanding , using ball ammo , the 12.7 is a bit hotter (longer case) than the 50bmg


Which would stand to reason. Maybe the x108 case is tapers more. I have no idea.
Link Posted: 6/15/2009 4:52:17 PM EST
If I remember correctly the reason we don't see it here is that ATF ruled the the .50 BMG case is the largest on a Class 1 form and that the Soviet 12.7x108 is classified as a DD.

CD
Link Posted: 6/16/2009 4:46:42 AM EST
[Last Edit: 6/16/2009 4:52:23 AM EST by runs-with-scissors]
ask and you shall recieve -

from left to right

5.56 - 7.62x39 - .50 BMG (12.7 x 99) - 12.7 x 109 (DSHK / russian .50) - 14.5MM


Link Posted: 6/16/2009 5:04:48 AM EST
Link Posted: 6/16/2009 11:10:02 AM EST
Originally Posted By Combat_Diver:
If I remember correctly the reason we don't see it here is that ATF ruled the the .50 BMG case is the largest on a Class 1 form and that the Soviet 12.7x108 is classified as a DD.

CD


I thought it was bullet diameter that was the dealbreaker. We measure land-land, the Russians tend to measure groove-groove. Explaining why their 7.62mm is marginally larger in diameter than our 7.62mm. I thought the same applied for the 12.7mm - theirs is slightly larger diameter and thus falls outside the ATF's definition of sporting arm.

Link Posted: 6/16/2009 2:55:34 PM EST
You are probably correct. I know the US military has always called the Soviet 12.7mm a .51 cal.

CD
Link Posted: 6/17/2009 5:32:22 AM EST
14.5 Heavy machine guns rattle the teeth I would suggest a mouth guard if you we every given a job on a 14.5 crew
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