Originally Posted by
m4hk33
Depends...
Started off with a full size gemtech Gmt-300wm and a H2 buffer.
Pretty bad recoil.
Tried a jp silent capture spring, no luck. Bad recoil, too much bolt speed
Came home for leave, picked up my sandman k, ordered an extra heavy buffer and spring from heavy buffers.com.
Works great, recoil is way down, runs as well without the can and accuracy was consistent with my other SS barrels.
If you have a lower back pressure can, you should be good to go, if you have a an older can the was designed for db reduction rather than low back pressure, you might have to experiment a bit.
Copy all. Charlie Mike.
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