BOTW: Kevin’s AR9 Build

    The 23rd Installment of Build of the Week was contributed by Kevin.  I really like the look of that hand guard. If you all can’t tell by now, I really set this series up to get good ideas for the stuff I want to do. Pete finally convinced me to em-brace PCC builds and this is a nice clean one. It does need a can. And the backdrop needs a nice marinara sauce… How does it shoot, Kevin?

    We are doing installments 23 and 24 back to back in a shorter time window as we have a huge surprise coming up for SHOT.  Voting for Set 6 will be on the 9th…  Stay tuned and definitely cast your votes.

    Keep the submissions coming in!  We are publishing them in the order in which they were received (with the exception of a single person submitting back to back–those will get spread out).

    You can submit your own build at

    Greetings TFB Team!

    This is a 4.5” AR9 build I completed in January of 2018. The parts include:

    MAS Defense side charging upper and barrel, KAK 9mm flash can and a Troy 7” Alpha rail with squid grips, along with Troy Battle sights (HK style front) and a JP 9mm BCG (v2).

    The lower is a 9mm Quarter Circle 10 (Colt Pattern), with a Rock River Arms lower parts kit, KNS pins, Radian Talon ambi selector, Magpul K grip and JP Silent Captured buffer in a Maxim Defense adjustable pistol brace.

    Thank you!

    • Kevin

    Comment below to ask Kevin questions about this build.

    TFB’s BOTW Prize Packs are provided by STRIKE INDUSTRIES

    Tom is a former Navy Corpsman that spent some time bumbling around the deserts of Iraq with a Marine Recon unit, kicking in tent flaps and harassing sheep. Prior to that he was a paramedic somewhere in DFW, also doing some Executive Protection work between shifts. Now that those exciting days are behind him, he teaches wilderness medicine and runs an on-demand medical staffing business. He hopes that his posts will help you find solid gear that will survive whatever you can throw at it–he is known (in certain circles) for his curse…ahem, ability…to find the breaking point of anything.

    You can reach him at tom.r AT or at