MB47 (7.62 x 39mm)
Dealers: Find it @ RSR (Click Here)
The MB47 is patterned after the original milled Bulgarian receivers but with the added feature of an integrated AR buffer extension.
Each 2 pound receiver is machined from a solid 15 pound block of US sourced 4140 steel, then heat treated to an RC41 hardness.
Compatible with any stamped or milled AK74 parts kit (some fitting required).
Barrel journal is cut to .9065 diameter after heat treat. Target interference between barrel and barrel journal is .001" Absolute max interference would be .0015". Measure your barrel!
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