Product Features & Specifications

Spikes STU5435R2S Complete Upper 5.56x45mm NATO 16" Black Phosphate/Midlength Barrel, 7075-T6 Aluminum Black Receiver, 12" SAR3 Free-Floating Handguard for AR-15

The Spike's Tactical ST-15 Enhanced upper line-up is designed as a fully Mil-spec compliant upper series for law enforcement.This same 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.This model features 16" with 1:7 Twist cold hammer forged Mil-spec Barrel, ST Optimum Profile, Mid Length Gas System, ST Micro Gas Block, .750" Diameter Gas Seat, Spike's Tactical Mil-Spec M16 Bolt Carrier Group, ST BAR2 12" Rail, and A2 flash hider.

Brand	Spikes Tactical
Model	Complete Upper
Caliber	5.56x45mm NATO
Barrel Length Range	16" to 16.99"
Firearm Fit	AR-15
Gun Platform	AR-Style
Sights	Optic Ready
Barrel Finish	Black Phosphate
Muzzle	A2 Flash Hider
Twist	1:7"
Type	Complete
Handguards	12" SAR3
Receiver Material	7075-T6 Aluminum
Thread Pattern	1 / 2"x28
Barrel Description	Mid-Length Steel
Barrel Length	16"
Receiver Finish	Black
Weight	4 lbs
Handguard Finish	Black
SKU	99748
UPC	815648023331
MPN	STU5435R2S