7.62 SRTA question


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hso
February 22, 2007, 12:50 PM
Can anyone with experience with 7.62 Short Range Training Ammunition tell me about it's performace?
Does it cycle the actions on M1A and FAL type rifles? Would it harm them?
How accurate is it within 200 meters?
Could you use it for practice ammunition?

Here is the information I've been able to gather so far.

Gas Pressure: <3,300 bar
Muzzle Velocity: 905 m/sec
Trajectory match to ball ammunition: >100 m
Accuracy at 100 m: <30cm
Effective training range: up to 200 m

Thanks.

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HorseSoldier
February 22, 2007, 12:56 PM
Haven't used 7.62mm SRTA, but have used a whole bunch of 5.56mm SRTA and some .50 cal SRTA.

Both of those require substituting special training components -- bolt on 5.56mm, barrel and feed adaptor on .50 cal (if I'm not mistaken, not as familiary with the .50 cal. Once that's done the rounds seem to work reliably enough. The 5.56mm round has a rebated rim that will not (again, if I'm not mistaken) lock up on a standard M16/M4 bolt face. Accuracy is good enough with 5.56mm for use in a shoot house, don't know about longer ranges. The .50 cal round seemed to be good out to about 300 meters or so when we had it on the firing line.

I would guess you'd need a training bolt or something for both the M1A and the FAL. The FAL *might* cycle by playing with the gas port and dialing it down near the closed setting, I guess. Don't know if the rim is rebated or otherwise modified on the 7.62mm round like on the 5.56mm.

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