KAK Industry Billet Left Hand Upper Receiver 

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Available at mulestate.com

Slick side upper, no forward assist or dust cover

Machined from high quality billet aluminum,  Machined to M16/M4 specifications in Left Hand and features M4 feedramps.

M4 feedramps

Matte black hard coat anodized Mil 8625 Type 3 Class 2

.250” takedown pin holes

Accepts standard AR15/M16 components with the exception of a left hand BCG