Quarter Circle 10 has made a name for itself as a high quality american made and designed manufacturer of pistol-caliber AR platform pistols and carbines. Their latest offering is a lower receiver that accepts MP5 magazines, and a side charging upper receiver.

Available in Spring/Summer 2017 here: https://www.quartercircle10.com

My own personal PCC is a complete QC10 build, and i can attest to its quality and reliability. Here i am in 10 degrees shooting Steel Challenge with my PCC SBR in Quantico VA.


By Joshua Shaw

Competitive shooter, 2nd amendment supporter, concealed carry advocate and gun enthusiast. Enthusiastically informing and supporting America's foreign policies since 2010. Deploying for the GWOT since 2012.

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