.22 Rimfire Pistols, Receivers, and AR15 Pistol Accurizing

AR15 Parts



 Oregon Precision Handguard 2

AR15 octagon suppressor hand guards ready to order. Call for availability.

This hand guard is designed to fit the largest diameter  300 Blackout suppressor on the market.


Hand guard O.D. = 2.060″ across the flats

Hand guard O.D. = 2.220″ across the points

Hand guard I.D. = 1.940″

2 piece hand guard adapter I.D. = 1.750″

Oregon Precision Arms Handguard

7″ hand guard weight 11.1 ounces
hand guard weight 11.1 ounces
hand guard weight 12.5 ounces
hand guard weight 12.7 ounces
hand guard weight 15.8 ounces

Aluminum 2 piece hand guard adapter weight 2.0 ounces

7“ suppressor guard extension weight 7.9 ounces
8” suppressor guard extension weight 7.9 ounces
9“ suppressor guard extension weight 9.3 ounces
12” suppressor guard extension weight 9.5 ounces
15” suppressor guard extension weight 12.6 ounces


Oregon Precision Handguard


Attachment rails:

Short rail width is 2.540″, weight .7 ounces
Long rail width is 4.510″, weight 1.2 ounces
Short&long rail height for both attachments .30″
Optics rail height is .680″, weight 1.70 ounces

Do you need a special length for your custom build?

Give us a call, we will build to your specifications!

Oregon Precision Arms hand guards are priced at 11$ per inch. This includes all necessary mounting hardware.

Order Here – Price List


O.P.A. AR15 black nitride pistol & SBR  barrels for sale

Barrel Steel: 4150V grade Mil-spec B-11595E Chromium-Molybdenum-Vanadium (CrMoV)
Thread pitch at muzzle: 1/2 x 28 inch

Featuring TRACK rifling and a patented manufacturing process, the Oregon Precision Arms AR15 pistol barrel maximizes extreme accuracy potential. What does it take to produce a top tier match grade barrel the competition cannot touch? We utilize FJ Fedderson barrel blanks using patented gun drilling methods plus ultra-sensitive honing methods. TRACK™ is a proprietary rifling known as Single Edge Polygonal (SEP) available through TRIARC Systems. The primary function of this innovation is to provide 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.

Track Rifle

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 (carbine length). Black nitride inside and out

Lengths and calibers available:

5.56 1×7 twist 7.5”, 9.5”

300 BLACKOUT 1×10 twist: 8.5”, 10.5”


Order Here – Price List 





Billet AR15 lower receivers for sale 7075 aluminum  



***SOLD OUT***


Complete billet AR15 lower receiver  with all parts installed

Stripped billet lower receiver

  80% billet lower receiver (3 pack)




 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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