Iirc the Echo is MIM parts and breaks.
The Franklin needs some tuning but works fine (AIM lightweight bolt, H2 buffer on short barrels). 16-20" it's pretty much a drop-in.
Iirc the Echo is MIM parts and breaks.
The Franklin needs some tuning but works fine (AIM lightweight bolt, H2 buffer on short barrels). 16-20" it's pretty much a drop-in.
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