$2,200.00

Mk12 Mod1 built on FN lower

  • Phone Number: Click to view
  • Condition: Like New
  • Listing Type: Individual
  • City: PRICE
  • State: Utah
  • Zip/Postal Code: 84501-3913
  • Local County (e.g., Summit County): UT
  • Make/Brand: FN
  • Model: Mk12 Mod1
  • Caliber: 5.56x45
  • Terms: Must agree to terms
  • Listed: April 20, 2026 9:44 pm
  • Expires: 15 days, 23 hours

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Description

This is a proper Mk12 Mod1 clone upper built on a new FN lower. The lower is pretty standard but has a proper Colt buttstock assembly, not a cheap commercial version. The upper is where this rifle shines. It is properly built to military specs for the Mk12 Mod1. It has a proper Doulas barrel, Badger Ordnance gas block that was professionally installed per mil-spec. It has the Allen Engineering brake and collar assembly. The upper has the correct Knight’s Armament long free float rail, which is ridiculously difficult to find. Upper has a correct USMC marked Knight’s folding rear sight already attached, plus an AO Precision BCG and standard carry handle. The upper has a grand total of 40 rounds of Nosler 77gr. match ammo through it. I will include a box or two of the same ammo with it.

If you would be interested in the upper only, I’ll take $1800.00 for it.

I work odd hours and travel a lot, so texts are best. I can be tricky to get in touch with but the upside is that because I travel all over Utah, I can deliver the rifle anywhere on I-15 between SLC and the Arizona border. Utah CWP holders take priority. Feel free to request additional images through text. Thanks for looking!

I would consider a partial trade for a Browning Hi-Power in nice condition, or a new Springfield Armory SA-35 with the high polished blue finish.

  

Listing ID: 45869bf6573e38a8