Spike's Tactical 5.56 AR-15 Complete Upper Receiver Group - Quad Rail - 16"
All Spike's Tactical upper receivers
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Spike's Tactical
Overview
The Spike's Tactical 5.56 AR-15 Complete Upper Receiver Group is designed for builders looking for a ready-to-install upper that delivers reliability and performance in a compact package. With a 16-inch barrel and a carbine-length gas system, this upper is optimized for 5.56 NATO ammunition, providing a quick follow-up shot capability due to its 1:7 twist rate, which stabilizes a wide range of bullet weights. This complete upper is often used in builds focused on tactical applications or general-purpose shooting, where versatility and ease of handling are key factors.
Specifications
Spike's Tactical 5.56 AR-15 Complete Upper Receiver Group - Quad Rail - 16"
Available Merchants(4)
Prices checked
Price Alert
September 2026 on GunPartPicker
Spike's Tactical 5.56 AR-15 Complete Upper Receiver Group - Quad Rail - 16" ranked #117 of the 615 upper receivers builders added on GunPartPicker in September 2026. Builders have been adding it to their builds on GunPartPicker since February 2026. All time, it ranks #287 of the 1,883 upper receivers builders have added.
It was in stock most days in September 2026, and today 3 of the 4 retailers we track have it in stock. The best price drifted down from $743.40 to $641.68 over September 2026 without a real sale. Buying today, the lowest price is $743.40 at Optics Planet, above September's low of $641.68, so a better deal may come back.
Updated · from real builds on GunPartPicker · Prices checked · refreshed daily across 37 retailers
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