6 ARC – Proof/BCM Upper

Description

Selling a near new 16″ 6 ARC upper. I’ve put about 200 rounds through this, most of which were break in and load development. Ultimately decided to shift over to a bolt gun build.

Included a picture of a target with a few different groups/loads I was trying, the 2 in the middle are what I settled on. 27.5gn Varget with a 108 ELDM.

Selling the barreled upper only. No BCG

Parts:
– BCM Upper Reciever
– BCM MCMR Handguard
– 16″ Proof Research Steel Barrel
– BCM Gas Block (ran an adjustable at fist but it was not needed with the gas system/gas port size on this barrel)

Asking $700. The proof barrel alone cost $650 before tax and shipping.

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