For additional evidence, I cautiously mentioned how significantly back again the bcg required to travel to established the hammer, And that i recorded lots of 960 fps vid's of the ejection port, and each one showed the BCG traveled considerably plenty of back to reset the hammer, with thunderbolts not less than, on every body weight config and with the upgraded spring, Despite the fact that While using the heavier hammer spring it failed to reach the back again of the BCG but nevertheless went previous the reset point by half a centimeter. So, I suppose it now will come all the way down to the issue, with light primer strikes.

Also, take a look at my spreadsheet and you may detect the individuals working with all tungsten weights have sixteen" barrels, while People with shorter barrels use lighter weights:

Armed Using the know-how from this comprehensive guide, probable prospective buyers and firearms enthusiasts might make an educated choice regarding the FRT 15 trigger.

Yep. Timing was established with plug installed. Actually however, it seems to run exactly the same whether the plug is set up or not.

This up grade basically provides shooters extra firing mode possibilities, catering to varied Choices and capturing scenarios.

Keep in mind, whilst it’s beneficial to grasp and conduct essential routine maintenance on the FRT-15 trigger, there’s no substitute for professional skills when it comes to addressing additional significant troubles.

I feel the greater strong recoil spring will help lessen bolt bounce, I am not sure the exact physics at the rear of it but it surely does appear I am the one poster attempting to support OP rare breed frt During this thread who really has an FRT and has used hours exploring and compiling details on productive .

22LR conversion units (in connection with not less than 8 different five.fifty six uppers) and a few various committed .22L uppers and have never experienced the need for a tension plug or even the like. By no means at any time.

They both seemed like they have been similar or pretty close, mainly Forged areas and when they'd come out of China I wouldn't be surprised. The one particular made available from Delta During this thread appears far better produced.

Can also anyone explain why a heavier buffer is needed to cycle? In my thoughts, it could seem sensible that a lighter piece of metal that needs to go backwards would have the ability to be moved a lot more and more quickly, so it will lock the hammer down and load a different spherical.

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The other variation your Assessment misses may be the absence of the finger going the BCG in the event the rifle is functioning. If the very best of one's BCG fulfills the very best of your respective decreased when the rifle is shut, the frame isn't likely to transfer backwards and forwards because there'll be no strain plug shifting the frame again toward the barrel. The body stays set up, located by its contact with the very best of your lower.

I will most likely begin a dedicated thread concerning this concern to maintain the main focus on The problem and It really is resolution.

The FRT-fifteen trigger has been acquired with enthusiasm because of the shooting community, with numerous praising its precision as well as the distinctive firing experience it provides.