Description
SPIKE STU5435-R2S UPPER MID 5.56 16″
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.
| SKU | 99748 |
| Type | Accessory |
| Brand | Spikes |
| Category | FIREARMS / UPPERS |
| UPC | 815648023331 |
| Model number | Complete Upper |
| Purpose | Replacement |
| Series | with 12″ BAR2 Rail System |
| Weight | 5.15 |
| Length | 18.50 |
| Height | 4.40 |
| Width | 5.50 |
| Attributes | |
| Type | Complete |
| Caliber | 5.56x45mm NATO |
| Sights | None, Optic Ready |
| Barrel Length | 16″ |
| Twist | 1:7″ |
| Barrel Description | Mid-Length Cold Hammer Forged |
| Barrel Finish | Black Phosphate |
| Handguards | 12″ SAR3 Free-Floating |
| Handguard Finish | Black |
| Barrel Length Range | 16″ to 16.99″ |


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