GLFA 300 win mag

since the buffer tube is most likely the same length (rifle length i'm guessing based on buffer length?) there are other recoil parts that will be able to be used/swapped out. i say this as i've used ar15 carbine buffers in ar10 rifle length buffer tubes. i need spring dimensions (including coil diameters) to know compressed length. trying to go from memory there's about 1/2" difference in bcg lengths between ar15 and ar10 length. if that's correct is the 300wm bcg about 1/2" longer than your ar10 (if you have 1) bcg? this is how i can help regardless of gas port size.
 

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