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mk12 ar barrel
The United States Navy Mk 12 MOD 0/1/H Special Purpose Rifle (SPR) is a designated marksman rifle that was in service with United States Special Operations Forces in the designated marksman role until 2017, also designed to be shorter than standard weapons. SPR initially stood for Special Purpose Receiver as it referred to an add-on upper receiver assembly (part of the proposed SOPMOD upgrades), but that nomenclature changed to Special Purpose Rifle as the weapon became a stand-alone weapons system.
The SPR was eventually type-classified by the U.S. Navy as the Mk 12. The weapon was developed by the Naval Surface Warfare Center Crane Division for US special operations units, not for Navy units in general.
Oregon Rifle Works 18” rifle length gas Barrel
Douglas barrel blanks, chambered by Compass Lake Engineering
.223 Wylde
1/7 Twist
Button rifled
416R stainless steel
Bead blasted finish
Will include a new Aero phosphate gas block (no logo) and stainless gas tube with full price offer.
Had plans...
Barrel is a blem but is only due to issues with the finish. Shot great, 1" or less groups all day with ease. only has about 4 boxes of ammo through it. Moving back to 300blk with this rifle so this is not needed.
Gas Block, tube, and flash hider all included
Asking $140 for all