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Spike's Tactical ST-15 Enhanced Complete Upper Assembly .223 Rem/5.56 NATO 16" Hammer Forged Barrel 1:7 Twist Mid Length Handguard A2 Front Sight Post Black A2STU5435-MLS

Spikes Tactical
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The Spike's Tactical ST-15 Enhanced upper line-up is designed as a fully Mil-spec compliant upper series. This level of quality and performance is now available to everyone, all at a price range that is affordable to shooters of any budget. Each component is manufactured to Mil-spec standards and backed by the Spike's Tactical Lifetime Warranty.

Specifications and Features:
5.56mm NATO
7075 T6 MIL-H-6088 Forged Receiver
FN 16" MIL-B-11595E Cold Hammer Forged Chromoly Vanadium Alloy Barrel
1:7 Twist
High Pressure Tested (HPT) and Individually Magnetic Particle Inspected (MPI)
Hard Chrome Chamber and Bore
ST Optimum Profile, Mid Length Gas System
F-marked A2 Front Sight Base, .750" Diameter Gas Seat
Extended M4 Feed Ramps
Mil-Spec 8620 Tool Steel M16 Bolt Carrier with Shrouded Firing Pin
Forged Mil-Spec Charging Handle with Hardcoat Anodized Finish
Laser Engraved T-markings
Laser Engraved ST Spider logo
Mid Length Handguards
1/2x28 Thread Pitch
A2 Flash Hider
Mid Length Hand Guards
Triangle Hand Guard Cap
Spike's Tactical Lifetime Warranty 

Item#: 2-SPKSTU5435-MLS
Total number of Reviews: 1

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4.0 5
"It's a Spikes, so you can expect high quality and it does have a solid barrel. The only reason I don't give it 5 is because they use a triangle hand guard which is hard to find a replacement for if you want more than the general one it comes with."