.22 Rimfire Pistols & Uppers For Sale

AR15 Parts

AR15 black nitride barrels for sale .556 7.5″ 10.5″ 16″ length


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Barrel Steel: 4150V grade Milspec B-11595E Chromium-Molybdenum-Vanadium (CrMoV)
Thread pitch at muzzle: 1/2 x 28 inch 5.56mm NATO Chambered
Twist rate: 1/7
TRACK™ is a proprietary rifling known as Single Edge Polygonal (SEP). The primary
function of this innovation is to provide an improved rifling for a
gun barrel, which has a single edge area and a polygonal area separating the
grooves. In essence, it is a combination of standard and polygonal rifling.
This hybrid reduces any substantial deformation of the bullet due to its
minimal engraving. It allows the bullet to move more symmetrically along the barrel,
enabling a straighter line towards the target. Furthermore, the tighter seal of the
projectile reduces forward escaping gases, and therefore, minimal loss of gas pressures.
Ultimately, this design has the capabilities of shooting match grade ammunition at sub
MOA accuracy.
Product is in stock and ready to ship

7.5″ 10.5″ 16″

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Order Here – Price List


*Custom builds available upon request


Billet AR15 lower receivers for sale 7075 aluminum  







AR15 parts available in flat black, gloss black, or aluminum finish

Aesthetic machine marks available upon request


***SOLD OUT***


Complete billet AR15 lower receiver  with all parts installed

Stripped billet lower receiver

  80% billet lower receiver (3 pack)


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 80% receivers are shipped directly to customers. These receivers are unfinished and require machining. All complete AR15 receivers require a  FFL prior to shipping. Oregon Precision Arms LLC will not ship your product until a current FFL is provided. Thank You

We will not sell items to states, counties, cities, and municipalities that restrict their citizens rights to own them

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