MPN: STU5025-R1S / STU5025-R2S / STU5025-R3S / STU5025-R9S
- Caliber: 5.56 NATO
- Finish: Type III Class 2 Hardcoat Anodized Finish
- Upper Receiver: Spike's Tactical Forged M4 Flat Top Upper - Made from 7075-T6 aluminum
- Handguard: Spike's Tactical Lightweight BAR2 Quad-Rail - Made from 6061-T6 aluminum
- M4 Feed Ramps: Yes
- Muzzle Device: Mil-Spec A2 Flash Hider
- Barrel: 16” 1:7 Twist M4 profile 5.56 NATO Barrel
- Muzzle Thread Pattern: 1/2"-28
- Gas Block: Spike's Tactical .750" Micro Gas Block
- Gas Tube: Carbine-Length Melonited Gas tube
- Bolt Carrier Group: Spike's Tactical Mil-Spec M16 Bolt Carrier Group
- Charging Handle: Mil-Spec Charging Handle
- Weight: ~4 lbs. 3 oz.
- AR-15 lower receiver
- 1x Spikes Tactical Upper ST-15 LE 16" Carbine-Length 5.56 M4 Barrel w/ BAR2 Rail
- 3x Rail covers
- 1x QD swivel
If you’re looking to streamline your next AR-15 build, you may want to consider an upper package that includes an upper receiver and barrel together. Even better, if you could find a quality upper, barrel and forend combination at a price point that assured you were getting a great value wouldn’t you love to save the legwork and buy that package? You can do just that, simply choose a Spike's Tactical Upper ST-15 LE 16" Carbine-Length 5.56 M4 Barrel with BAR2 Rail package and you’re well on your way to completing your next AR build.
The Spikes ST-15 16 Carbine-Length Upper kit with BAR2 Rail is an upper combination assembled by Spike’s Tactical to give its customers the same great quality of AR components that law enforcement relies on without unnecessary expense. The ST-15 is Spikes Tactical Upper machined from strong 7075 T6 aluminum. It includes a Mil-Spec forward assist as well as a standard Picatinny rail. Feed ramps have been extended for superior performance. The entire upper is finished with the appropriate Mil-Spec coatings for a long worry-free service life. MIL-L-46010 Dryfilm lubricant finishes the interior of this upper receiver ensuring smooth action round after round.
This combination kit includes a Chromoly Vanadium Alloy M4 profile barrel chambered in 5.56 NATO that’s been rigorously tested to ensure outstanding performance and excellent service life. The outer finish of Mil-Spec Black along with the hard chrome finish of the bore and chamber promise the long wear and accuracy. Rest assured, when you get this barrel along with Spikes Tactical Upper you can expect no better performance from a tactical 16 Carbine-length upper combination from any other manufacturer.
The final component in this Spikes ST-15 Upper package is the Spike’s Tactical BAR2 rail. This rail is a free floating, machined 6061-T6 aluminum quad rail that easily installs with Torx screws and a barrel nut. It features integrated anti-rotation tabs. This husky rail is stable and built to stay that way. It’s not just a good looking cheese grater. This rail is built to be handled without additional rail covers and not chew up your hands. The internal spacing allows 1.80 inches of space for a low profile gas block or to allow your suppressor to set back inside the rail. The outer measurement of 2.42 inches gives even the biggest paws a comfortable grip without added rail covers. This rail offers 5 QD sockets and the convenience and uniform style of a continuous full-length Picatinny top rail. It’s finished with a Mil-Spec Type III Anodized Hardcoat to stand up to rough handling in the field.
The Spike's Tactical Upper ST-15 LE 16" Carbine-Length 5.56 M4 Barrel with BAR2 Rail is a quality component group that will jump start your next AR-15b build getting you well on your way to a quality rifle you can be proud to own.