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*ump-fire the OOW 1918A3 SLR ?


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Has anyone successfully tried *ump-firing their A3 without using any mechanical device? Can the rifle be supported with one arm and pulled against stationary trigger hand? I haven't tried yet on my A3 because our range is still closed due to CV19.... so I was just wondering if it's possible. I guess one could use the "belt loop" *ump-fire method, but surely the ATF has also banned belt loops as a machine gun. (See how I avoided the illegal use of the dreaded word but I'm sure that "they" see right through my subterfuge. :ph34r: )

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Have you had a chance to fire with that 1918 style regulator yet? Like to know how it works before I buy one.

I fired my OOW WW1 style M1918 for the first time today with the new-manufacture "old style" gas regulator offered by BMGparts.com and it functioned perfectly. I only shot 12 rounds. I had it on the mid-setting and had no failures to eject or load. I recommend it.

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Have you had a chance to fire with that 1918 style regulator yet? Like to know how it works before I buy one.

I fired my OOW WW1 style M1918 for the first time today with the new-manufacture "old style" gas regulator offered by BMGparts.com and it functioned perfectly. I only shot 12 rounds. I had it on the mid-setting and had no failures to eject or load. I recommend it.

I'll order one today! Thanks.

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I'll order one today! Thanks.

The only issue that I had with it was the initial installation. The threads were very tight and I used a bench grinder with wire wheel to polish the threads and worked the gas regulator into the gas tube many times .... advancing a few thread turns at a time... taking it out after each try and cleaning again with the wire wheel and liberally oiling. I finally got it to go all the way to where the ports lined up. I don't know what the thread size and pitch are on the regulator body, but ideally I would like to run it through a die to make sure the threads are cut correctly.

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I'll order one today! Thanks.

The only issue that I had with it was the initial installation. The threads were very tight and I used a bench grinder with wire wheel to polish the threads and worked the gas regulator into the gas tube many times .... advancing a few thread turns at a time... taking it out after each try and cleaning again with the wire wheel and liberally oiling. I finally got it to go all the way to where the ports lined up. I don't know what the thread size and pitch are on the regulator body, but ideally I would like to run it through a die to make sure the threads are cut correctly.

Thanks ... Luckily, I know a good gun smith :D

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I'll order one today! Thanks.

The only issue that I had with it was the initial installation. The threads were very tight and I used a bench grinder with wire wheel to polish the threads and worked the gas regulator into the gas tube many times .... advancing a few thread turns at a time... taking it out after each try and cleaning again with the wire wheel and liberally oiling. I finally got it to go all the way to where the ports lined up. I don't know what the thread size and pitch are on the regulator body, but ideally I would like to run it through a die to make sure the threads are cut correctly.

Thanks ... Luckily, I know a good gun smith :D

Oldtrooper.... I took the A3 back out today and tried shooting it with the BMGparts.com WW1 style gas regulator set on the smallest port. The gun fired and cycled perfectly, just like it did on the mid-setting two days before. Since it works well on that lowest setting, I will probably leave it there to save wear and tear on the gun due to less gas pressure. The gas regulator came out easily for cleaning after the two recent shoots so I probably don't need to do any further thread work on my regulator.

 

I would have tried "ump-firing" but this particular nearby range doesn't allow rapid fire. I'll try it when I go to my less-restrictive range.

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  • 2 weeks later...
I just stumbled upon this thread, but what was your issue with the regulator? Ive got an early OOW BAR that is built on a Korean War era parts kit. Ive never had an issue, is there something I should look for? I dont shoot mine very often but Ive probably run a couple hundred rounds in the last eight years.
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I just stumbled upon this thread, but what was your issue with the regulator? Ive got an early OOW BAR that is built on a Korean War era parts kit. Ive never had an issue, is there something I should look for? I dont shoot mine very often but Ive probably run a couple hundred rounds in the last eight years.

No issue with the factory regulator ... A couple of us have changed our 1918A3 SLR's into the WWI 1918 configuration and BMG parts is offering an early regulator designed to work with the Ohio Ordnance semi-auto.

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  • 3 weeks later...

 

 

 

I'll order one today! Thanks.

The only issue that I had with it was the initial installation. The threads were very tight and I used a bench grinder with wire wheel to polish the threads and worked the gas regulator into the gas tube many times .... advancing a few thread turns at a time... taking it out after each try and cleaning again with the wire wheel and liberally oiling. I finally got it to go all the way to where the ports lined up. I don't know what the thread size and pitch are on the regulator body, but ideally I would like to run it through a die to make sure the threads are cut correctly.

Thanks ... Luckily, I know a good gun smith :D

Oldtrooper.... I took the A3 back out today and tried shooting it with the BMGparts.com WW1 style gas regulator set on the smallest port. The gun fired and cycled perfectly, just like it did on the mid-setting two days before. Since it works well on that lowest setting, I will probably leave it there to save wear and tear on the gun due to less gas pressure. The gas regulator came out easily for cleaning after the two recent shoots so I probably don't need to do any further thread work on my regulator.

 

I would have tried "ump-firing" but this particular nearby range doesn't allow rapid fire. I'll try it when I go to my less-restrictive range.

The guy at BMG parts called and finally has the regulators in stock ... I have one on the way ... $100.00 ... I'll give you a range report when I install it.

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I don't know about bump firing , but back when all the burst trigger adaptors were the rage , I tried them on the BAR . None would fit the trigger set up nor the trigger guard . Did not want to modify the gun itself nor did I look at the crank style types . Just wanted to fire two-three round " bursts " . I have Thompsons , Grease guns , and beltfeds for long bursts . Just wanted to duplicate the Hellfire trigger in my ARs , more or less .

Chris

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I'll order one today! Thanks.

The only issue that I had with it was the initial installation. The threads were very tight and I used a bench grinder with wire wheel to polish the threads and worked the gas regulator into the gas tube many times .... advancing a few thread turns at a time... taking it out after each try and cleaning again with the wire wheel and liberally oiling. I finally got it to go all the way to where the ports lined up. I don't know what the thread size and pitch are on the regulator body, but ideally I would like to run it through a die to make sure the threads are cut correctly.

Thanks ... Luckily, I know a good gun smith :D

Oldtrooper.... I took the A3 back out today and tried shooting it with the BMGparts.com WW1 style gas regulator set on the smallest port. The gun fired and cycled perfectly, just like it did on the mid-setting two days before. Since it works well on that lowest setting, I will probably leave it there to save wear and tear on the gun due to less gas pressure. The gas regulator came out easily for cleaning after the two recent shoots so I probably don't need to do any further thread work on my regulator.

 

I would have tried "ump-firing" but this particular nearby range doesn't allow rapid fire. I'll try it when I go to my less-restrictive range.

The guy at BMG parts called and finally has the regulators in stock ... I have one on the way ... $100.00 ... I'll give you a range report when I install it.

They charged me $150 !!!!!!!!!!!!!

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I'll order one today! Thanks.

The only issue that I had with it was the initial installation. The threads were very tight and I used a bench grinder with wire wheel to polish the threads and worked the gas regulator into the gas tube many times .... advancing a few thread turns at a time... taking it out after each try and cleaning again with the wire wheel and liberally oiling. I finally got it to go all the way to where the ports lined up. I don't know what the thread size and pitch are on the regulator body, but ideally I would like to run it through a die to make sure the threads are cut correctly.

Thanks ... Luckily, I know a good gun smith :D

Oldtrooper.... I took the A3 back out today and tried shooting it with the BMGparts.com WW1 style gas regulator set on the smallest port. The gun fired and cycled perfectly, just like it did on the mid-setting two days before. Since it works well on that lowest setting, I will probably leave it there to save wear and tear on the gun due to less gas pressure. The gas regulator came out easily for cleaning after the two recent shoots so I probably don't need to do any further thread work on my regulator.

 

I would have tried "ump-firing" but this particular nearby range doesn't allow rapid fire. I'll try it when I go to my less-restrictive range.

The guy at BMG parts called and finally has the regulators in stock ... I have one on the way ... $100.00 ... I'll give you a range report when I install it.

They charged me $150 !!!!!!!!!!!!!

$100 is what he charged me ... Just received the part.

 

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  • 3 weeks later...

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