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Firearm Upper Receivers

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This complete AR-15 upper receiver from Bushmaster is the perfect addition to any collection. Designed to connect directly to your existing AR-15 lower receiver, this upper features a 16" lightweight profile barrel sitting in an A3 flat top upper receiver. Additionally this unit features a free floated rifle length SquareDrop hand guard with a lightweight gas block and an AAC flash hider. This upper receiver is complete with bolt carrier group and charging handle.
Smith & Wesson M&P®15 Sport? ll Rifle
$459.99 - $739.99
M&P15 Rifles are the ideal modern sporting rifle. Built to perform multiple uses under various conditions, M&P15 Rifles are as versatile as they are reliable. Engineered for a wide variety of recreational, sport shooting and professional applications, M&P15 Rifles are easy to accessorize, but hard to put down. M&P15 Rifles are lightweight and rugged embodying the best combination of function and form. Features Forged, Integral Trigger Guard, Armornite® Finish (Durable Corrosion Resistant Finish), Chromed Firing Pin, Forward Assist.
Bushmaster Upper Receivers
Built on the versatile Bushmaster® modular AR platform. Barreled upper receivers can be used on existing AR15 type lower receivers. All receivers feature integral brass deflectors and hard anodized finish. All receivers feature integral brass deflectors and hard anodized finish. Each assembly is factory headspaced, test-fired and ready to use.
Windham Upper Receiver Assemblies
Windham Weaponry's Upper Receiver Assemblies are designed as replacement or upgrade units for the AR15 Type Rifle. As with our complete rifles, they are manufactured to the highest standards from the best materials available. Barrels are Chrome Lined for long wear and easy cleaning - machined from 4150 Chrome Moly Vanadium Steel, finished in Black Manganese Phosphate, and rifled 1 Turn in 9" - Right Hand Twist for optimum accuracy with a wide range of bullet weights. Upper Receivers are CNC machined from forged 7075 T6 Aircraft Aluminum and finished in Hardcoat Black Anodize. Bolts are machined from Carpenter 158 Steel - Magnetic Particle and High Pressure Tested.
DPMS Oracle 5.56 Complete Rifle Kit
Complete Oracle Rifle Kit Less Lower Receiver, Unassembled.Please note that not all parts are in picture, has everything but Lower. Lite contour 16" barrel with single rail gas block. 1-9 Twist. Chambered in 5.56x45mm. A3 Upper Receiver. DPMS GlacierGuard Handguards. Kits do not include Cleaning Kit, Magazines or sling. Kit is Unassembled Parts. .
Del-Ton 16
16" M4 Rifle Kit comes with everything needed to complete a stripped lower receiver. Includes fully assembled, headspaced and test fired upper receiver, lower parts kit and buttstock. Rifle kit does not include stripped lower receiver or magazines.
Sig Sauer Caliber Exchange Kit
SIG SAUER offers upper assemblies and caliber exchange kits in various barrel lengths. All NFA rules apply to installation of these upper assemblies to lower receivers and caliber exchange kits to upper receivers. Upper assemblies and caliber exchange kits with barrel lengths less than 16 may only be affixed to lower receivers which (1) are not recorded as a rifle lower by the manufacturer and do not have a stock attached to the lower receiver or (2) registered with the BATFE as a short barreled rifle (SBR).
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