Custom Aero Precision STS15 .450 Bushmaster Pump Action Rifle AR-15 AR-308

SOLD FOR: $805

WOA#: WY230220VM013

Make: Aero Precision Lower / Gibbz Arms Upper

Model:  STS15

Serial Number: STS 02153

Year of Manufacture: Modern

Caliber: .450 Bushmaster

Action Type: Pump-Action (The gas tube has been disconnected from the gas block to disable the direct impingement Semi Auto action.

Markings:  The left side of the receiver is marked, “MODEL STS15 CAL MULTI S/N STS 02153 / AERO PRECISION LLC TACOMA, WA” with the Aero Precision Logo and bullet monograms around the safety selector.  The right side of the magwell is marked with the Aero Precision Logo.  The top of the barrel is marked “FA 450 BM 1X24”.  The top of the muzzle brake is marked with a Crosshair within a Cog logo.

Barrel Length: 20”.  22” with fixed muzzle brake.

Sights / Optics: The top of the rifle has a full length monolithic uninterrupted picatinny rail for all your favorite sights and optics.

Stock Configuration & Condition:  The buttstock is a polymer collapsible M4 style buttstock with sling ring and slot and checkered integrated buttplate.  The pistol grip is a standard A2 pistol grip.  There is no handguard but features a 3D printed aggressive checkered pump grip.  The gas block is a picatinny quad rail system.  The gas tube has been disconnected for the pump action to work as intended.  The LOP measures 13.25” from the front of the trigger to the back of the fully extended buttstock.  There are no chips or cracks.  There are some loose storage marks on the buttstock.

Magazine Quantity & Condition: 1x ASC New britain 6.8 MM magazine.

Type of Finish: Anodized Black and bead blasted stainless.

Finish Originality: Original

Bore Condition: The bore is bright and the rifling is sharp. There is no visible erosion in the bore.  Needs a light cleaning to meet maintenance standards as there is a bit of dust near the muzzle.

Overall Condition: This rifle retains about 90% of its finish. The screw heads are sharp and the pins are unmarred. The markings are clear. There is wear on the length of all the picatinnies as well as on the charging handle, and delta ring.  Overall, this rifle rates in about Very Good condition.

Mechanics: The Pump action functions correctly. We did not fire this rifle. As with all used firearms, a thorough cleaning may be necessary to meet your maintenance requirements.

Box, Paperwork & Accessories: Total of one magazine

Our Assessment: This Custom Aero Precision STS15 is a versatile rifle chambered in .450 Bushmaster with a 20-inch barrel. It features a pump-action system that provides quick and controlled follow-up shots and easy cycling, along with a lightweight aluminum lower and an adjustable stock for a customizable fit.  The pump grip is a 3D printed aggressively checkered grip for easier manipulation of the action. This unique custom rifle, though on the bizarre side of the world of firearms, is suitable for hunting, target shooting, and other shooting applications where increased accuracy and versatility are desired with extreme firepower.  The .450 Bushmaster is an absolute beast of a round and would take down with ease even the largest of game.  So mix it up a little.  Please see specs below and good luck on your bid!