DPMS AR-15 AP4 A3 Upper Receiver Assembly 5.56x45mm NATO
This upper comes equipped with a 16" M4 Contour Barrel machined from 4140 Chrome Moly Steel, a true 5.56x45mm NATO chamber for use with either commercial or higher pressure military surplus ammunition, and a versatile 1 in 9" Rifling Twist that is capable of stabilizing light- to medium-weight bullets of up to about 69 grains. Additional features include a Carbine-Length gas system, forged A2 Front Sight Assembly with bayonet lug, 2-Piece Glacierguard Handguards, complete bolt carrier group, charging handle, forward assist, shell deflector, ejection port door and A2 Flash Hider.
- Upper Receiver: A3 Flat-Top
- Barrel Length: 16"
- Barrel Contour: M4
- Barrel Material: 4140 Chrome Moly Steel
- Muzzle Thread Pattern: 1/2"-28
- Chrome Lined: No
- Barrel Finish: Parkerized
- Twist Rate: 1 in 9"
- Chamber: 5.56x45mm NATO
- M4 Feed Ramps: Yes
- Muzzle Device: A2 Flash Hider
- Gas System Length: Carbine
- Gas Block Diameter: 0.750"
- Handguard: 2-Piece Polymer Glaciergaurd
- Sights: A2 Fixed Front, No Rear
- Bolt Carrier Assembly Included: Yes
- Bolt Carrier Type: Commercial
Please Note: Installation of AR-15 upper assemblies with certain features including, but not limited to: flash hiders, bayonet lugs, and threaded muzzles may violate state and/or local laws.
Shipping Weight: 5.700 PoundsXThe total weight of the product, including the product’s packaging as it sits on our shelf. Since some products ship directly from the Manufacturer, their weight may be unavailable. Because of variations in the manufacturing process, similar products may have differing weights. Unless the product is designated as “Ships Alone”, Shipping Weight does not include the shipping box or packing materials associated with your order.
XProduct ships from MidwayUSA, separate from any other products on your order due to its size. Products that are Shipped Alone incur separate "Per Order" and "Per Pound" shipping charges.
DOT-Regulated: NoXProduct is regulated by the US Department of Transportation (DOT) and cannot be shipped via USPS or air shipping methods. DOT-Regulated products must ship UPS Ground.
Carrier Restrictions: NoXProduct is restricted by shipping carriers and cannot be shipped to certain locations or via certain shipping methods.
XAdditional shipping charge for HazMat products. Carriers charge extra to ship packages with products they consider hazardous, such as reloading powder and primers.
- DPMS Lower Receiver Parts Kit AR-15... $59.99 Available
- Model 1 Pivot Pin Detent Installation Tool AR-15... $4.00 Available
- DPMS Multi-Tool AR-15 Steel... $33.49 Available
- DPMS Buttstock Assembly 6-Position Commercial Diameter... $66.99 Available
- DPMS Detachable Carry Handle with A2 Rear Sight AR-15 Aluminum... $101.99 Available
- Troy Industries Battle Sight Adjustment Tool AR-15... $10.29 Available
- AR-Stoner Handguard Removal Tool AR-15 Steel... $14.99 Available
- Del-Ton M4 Carbine Kit AR-15 5.56x45mm NATO... $499.99 Available
- Del-Ton AR-15 A3 Upper Receiver Assembly 5.56x45mm NATO 1 in... $463.99 Available
- Del-Ton AR-15 A3 Upper Receiver Assembly 5.56x45mm NATO 1 in... $432.99 Available
- Yankee Hill AR-15 Specter XL Black Diamond Upper Receiver... $840.00 Available
- Bushmaster AR-15 Patrolman M4 A3 Upper Receiver Assembly... $579.99 Available
- Del-Ton AR-15 Extreme Duty A3 Upper Receiver Assembly... $449.99 Available
- CMMG AR-15 M4 LE A3 Upper Receiver Assembly 5.56x45mm NATO... $679.99 Available
- Adams Arms AR-15 Tactical Evo A3 Gas Piston Upper Receiver... $699.99 Available
- Bushmaster XM15 AR-15 A3 Upper Receiver Assembly 5.56x45mm... $549.99 Special Order
- Federal Ammunition 5.56x45mm NATO 62 Grain XM855 SS109... $179.99 Available
- DPMS Buffer Retainer AR-15, LR-308... $1.99 Available
- DPMS Takedown and Pivot Pin Detent Spring AR-15, LR-308... $1.99 Available
- DPMS Free Float Tube Handguard Quad Rail AR-15 Carbine Length... $147.99 Available
- DPMS AR-15 Takedown Pin Punch Delrin... $3.49 Available
- DPMS Buffer Retainer Spring AR-15, LR-308... $1.99 Available