JP Enterprises AR-15 JP15 Upper Receiver Assembly 223 Wylde 16" Barrel
The JP Enterprise JP-15 upper receiver assembly is built on a forged upper with a 16" Supermatch barrel. The lightweight barrel is made of 416 stainless steel, button rifled and cryogenically treated for outstanding accuracy. The 223 Wylde chamber is designed to be best of both the SAAMI commercial specification and the NATO chambering, allowing the widest variety of ammunition to be used, while retaining accuracy. The 1 in 8" twist rifling produces good results with bullet weights from 40 to 77 grains. The 16" barrel threaded 1/2"-28 with a JP Tactical Compensator. The Low Mass Bolt carrier is constructed of stainless steel with a QPQ finish. The QPQ finish is a five step treatment of polishing and hardening of the surface resulting in a very hard surface with a high level of lubricity. The bolt is constructed of SAE 9310 steel and exceeds the standard mil-spec in strength and service life. The low mass bolt carrier group and adjustable gas block work together to greatly reduce the felt recoil and keep the gun on target. It is recommended to us a LMOS buffer (available separately) with this upper receiver. The JP MKIII Signature Series handguard is a reduced diameter free-floating handguard with provisions for mounting accessory rails in many positions. The reduced 2" diameter of the handguard makes it more comfortable in the hand and allows for better control of the rifle. The large ventilation slots and thermal dissipater work together to keep the barrel cool. The upper assembly is the perfect package for the competition shooter.
- Upper Receiver: Forged A4 Flat-Top
- Barrel Length: 16"
- Barrel Contour: Lightweight
- Barrel Material: 416 Stainless Steel
- Muzzle Thread Pattern: 1/2"-28
- Chrome Lined: Yes
- Barrel Finish: Stainless Steel Polished
- Twist Rate: 1 in 8"
- Chamber: 5.56 NATO
- Bolt Carrier: Low Mass Carrier
- M4 Feed Ramps: Yes
- Muzzle Device: JP Standard Profile Compensator
- Gas System Length: Mid
- Gas Block Diameter: 0.750"
- Handguard: JP MKIII Signature Series Free Float Handguard 15"
- Sights: None
- Bolt Carrier Assembly Included: Yes
- Bolt Carrier Type: Low Mass Carrier (JPBC-3)
- Extras: Silver Thermal Dissipator, Low-Profile Adjustable Stainless Gas Block, and Sling Studs
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.
- The 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. Shipping Weight: 6.455 Pounds
- Product 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. DOT-Regulated: No
- Product is restricted by shipping carriers and cannot be shipped to certain locations or via certain shipping methods. Carrier Restrictions: No
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