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Which is better, the TAC47 autoplug or the MD V-Plug


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Im helping a friend in deciding which would be better for his saiga ...

 

I have had a member give me a review/opinion on his experience on his autoplug and was very insightful ....

 

Would like to get other members reviews/ opinions if possible regarding the topic ...



Nephilim7

Posted Yesterday, 03:32 PM

is not designed to handle the amount of gas from a 3" shell. The piston-vent stroke is not long enough with adequate venting to allow for this. This can be fixed by turning the plug body all the way into the gas block and mark the very bottom of the interior face of the plug facing the gas ports. Then grind just enough off that area to allow the gun to run most 3" shells. This emulates the "1" gas setting of the factory plug and allows use of high powered shells. ***credit - forum member, GunFun. ***

#2. The Auto Plug does nothing to add gas to the gun. Only Install it after the gun runs really well without it. When installing, be sure to wrap the main plug threads with several wraps of Teflon tape to combat blow-by and fouling of the threads. Also, be sure to degrease the threads and put temporary Loctite on the adjustment screw at the proper setting. That way the screw doesn't work itself loose.

#3. In some cases, the Auto Plug (with certain gas pucs) can add just enough length to the innards of the gas system to cause the bolt carrier to not rest against the front trunnion causing undue stress to the carrier (a known weak point). Worst case of this can cause the bolt not to be able to lock and fire out of battery. This can be fixed by taking a small amount off the puc face or plug face.


All that said, I love my Auto Plug. It has the potential to be the most versatile and simple-to-use plug currently available. The Auto Plug is an outstanding addition to a well-running S12 if set up properly.
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Get both . If you dont shoot 3" magnums the autol lug is perfect. If you shoot 3" mags then get a vplug. DPH makes a 6 position gas adjustment. It all depends on what you shoot and if your gun runs fine on the stock plug.

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#3. In some cases, the Auto Plug (with certain gas pucs) can add just enough length to the innards of the gas system to cause the bolt carrier to not rest against the front trunnion causing undue stress to the carrier (a known weak point). Worst case of this can cause the bolt not to be able to lock and fire out of battery. This can be fixed by taking a small amount off the puc face or plug face.

 

Stupid question of the day time, but how can you tell if there is any interference? So long as the puc rattles in the gas block, there should be enough clearance? I'm somewhat familiar with the gas system on these, but want to make sure I know how to identify an issue like this, as apparently spare parts are a beyotch to find, and I don't want any innards breaking.

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any question is a legit question ....im out to learn on anything n everything ..... I was always taught, no questions is a stupid question ....

 

i need is opinions, experience, reviews, hand-ons, etc regarding the subject ....

 

who knows this thread will not only help me but others

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