Homebrewed .50 Cal from ISIS in Iraq
Jake Hamby has posted these photographs of a small shop manufactured .50 caliber single shot, scoped rifle. It was captured from ISIS forces in Iraq. Many on the Internets are disparaging the rifle, characterizing it as a “face bomb” waiting to go off. Several good views of the rifle are shown in the short Youtube montage below.
It is a mistake to judge a weapon by the exterior finish. Sure, the superb craftsmen at pre-1940 commercial Mauser, or Colt before 1970, are known for their excellent polish and bluing. If you look at war production, you find perfectly useful and effective weapons with crude finishes. Webley put a stamp on some of their revolvers, “war finish”, presumably because they were ashamed of putting out such a poor finish. The interior of their revolvers was very effective.
You cannot get a better reason for a “war finish” than the conditions ISIS is operating under. There are several interesting things about this rifle that tell me I do not want to be somewhere on the muzzle end of it. I would be willing to test fire it, if I were allowed to disassemble and examine the mechanism first. From an Internet examination, it seems to be a serviceable design.
Do not discount the ability of the rifle to get rounds downrange with useful accuracy. Most of the needed accuracy would be in the barrel, which may be a standard barrel from another weapon. I do not recognize it. If the barrel is made in a shop, that is a significant achievement. It may have been locally produced. ISIS contains decent lathes and milling machines in the territory it has conquered. The tack weld locking the barrel to the receiver is highly unconventional, but it works.
I suspect a Savage model 110 type of locking lug arrangement. Depending on the heat treatment of the receiver and locking lugs, the set up could last
from a couple of hundred rounds to many thousands. Given the rifle’s environment, a couple of hundred rounds may be a realistic service life.
The rifle’s designers tackled this problem with two solutions. First, the mounting system is extremely sturdy and welded directly to the receiver. Integral scope mounting systems are the best way to avoid problems. They have to be reasonably aligned with the bore. A simple bore sighting system used while welding on the mounts would allow for that alignment.
Second, the rubber bicycle innertube buffer between the scope and the mount. The oversized turnbuckle bolts used for tightening the mount to the scope use a lot of surface area to grip the scope. Whether the rubber buffer provides enough cushion to keep from battering the scope apart under the recoil of .50 BMG rounds would be a matter tested in practice. Again, a couple of hundred rounds is likely enough.
The bipod is adjustable for height and ground irregularities.
Headspacing problems would probably show up on the brass before the rifle would allow brass rupture from case separation. If you examined the fired brass, you could figure out when you would need to adjust the headspace. If not, the horizontal bolt and loading slots vent high pressure gases and molten brass to the sides, away from the face.
The inline, straight recoil stock does much to soak up perceived recoil. The muzzle brake looks effective.
If the barrel is a standard .50 cal, a fixed 3.5 power scope should allow hits on man sized targets to 800 yards. The scope does not have a rangefinding reticule. The vertical adjustments are calibrated out to 1300 meters for the 7.62×54 cartridge. It would not be hard to determine the range equivalents for the .50 BMG.
This rifle, while of crude finish, can likely put .50 BMG down range to good effect. Those who want to outlaw .50 BMG in the United States should take notice. It is up to us to bring it to their attention.
©2016 by Dean Weingarten: Permission to share is granted when this notice and link are included.
Source: http://gunwatch.blogspot.com/2016/11/homebrewed-50-cal-from-isis-in-iraq.html
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