The Spike’s 556NATO Upper 16″ CHF/FSP delivers reliable performance for AR-15 builders and upgraders. FN hammer-forged barrel with integrated front sight post.
The Spike’s 556NATO Upper 16″ CHF/FSP is a complete upper receiver assembly built for performance. This upper combines American manufacturing with proven Spike’s Tactical quality. It fits all standard AR-15 lower receivers without gunsmithing.
Furthermore, the Spike’s upper features a 16-inch cold hammer-forged FN barrel. The CHF process creates exceptional durability and accuracy. Additionally, the 1:7 twist rate stabilizes both 5.56 NATO and .223 Remington ammunition weights effectively.
Mid-Length Gas System and Integrated Front Sight
The mid-length gas system provides reliable cycling with reduced recoil. Moreover, the integrated front sight post offers quick target acquisition. Therefore, this upper works for tactical shooting and sport competition alike.
The black finish resists corrosion through years of use. Additionally, no additional purchases are needed for sighting capability. This Spike’s upper suits AR builders seeking quality at competitive prices.
Caliber Conversion and Multi-Platform Versatility
This upper excels as a caliber conversion option for existing AR platforms. Simply mate it with your current lower receiver and shoot immediately. Furthermore, the 556NATO chambering offers training and practical shooting flexibility.
Installation requires no special tools or gunsmithing expertise. The universal AR-15 interface ensures seamless compatibility. Additionally, you can swap this upper between compatible lower receivers for multi-platform versatility.
Available at Western Sport – Roanoke, TX
Western Sport is a licensed FFL/SOT dealer serving North Texas and the DFW area since 2007. We stock quality Spike’s Tactical components in Roanoke, TX. Contact us at 817-393-4000 for availability and local pickup options.
Our team understands AR platform rifles and can answer your specific questions. We handle all shipping logistics and comply with Texas firearms regulations.
Why Buy from Western Sport?
Licensed FFL/SOT dealer with 16+ years of North Texas service and expertise.
Knowledgeable local staff ready to guide you on AR-15 components and compatibility.
Competitive pricing on Spike’s Tactical products backed by our reputation.
Fast, compliant transfers and full after-sale support for your questions.
We handle all shipping logistics and respect all state-specific legal requirements.
Frequently Asked Questions
Q: Will this Spike’s upper fit my standard AR-15 lower receiver?
A: Yes, this upper receiver is fully compatible with all standard AR-15 lower receivers. The interface dimensions are universal across the AR platform. No special tools or gunsmithing required for installation.
Q: What ammunition does the 16-inch barrel safely chamber?
A: The barrel chambers both 5.56 NATO and .223 Remington ammunition safely. The 1:7 twist rate optimally stabilizes heavier projectiles in both calibers. This flexibility makes it excellent for training and versatile shooting applications.
Q: Is there a manufacturer’s warranty on this Spike’s upper?
A: Yes, Spike’s Tactical includes a manufacturer’s warranty against defects on this upper. Contact our team at 817-393-4000 for specific warranty details and coverage terms.
Q: What is the best use case for this 556NATO upper?
A: This upper excels in tactical shooting, competitive sport shooting, and training scenarios. The 16-inch barrel and mid-length gas system provide excellent balance. Additionally, it works perfectly as a caliber conversion or multi-platform upper for AR builders.
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