Spike's Tactical 14.5" 5.56 NATO Complete AR-15 Upper Receiver - 12" SAR3 Quad Rail/Dynacomp Brake
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Spike's Tactical
Overview
The Spike's Tactical 14.5" 5.56 NATO Complete AR-15 Upper Receiver features a mid-length gas system, which provides a smoother shooting experience by optimizing the gas dynamics for this barrel length. With a 1:7 twist rate, this upper is designed to stabilize a wide range of bullet weights, making it versatile for various applications. This upper is frequently found in builds that capitalize on the mid-length gas system and use the 5.56 NATO caliber for improved reliability and performance.
Specifications
Spike's Tactical 14.5" 5.56 NATO Complete AR-15 Upper Receiver - 12" SAR3 Quad Rail/Dynacomp Brake
Available Merchants(5)
Prices checked
Price Alert
October 2026 so far on GunPartPicker
Spike's Tactical 14.5" 5.56 NATO Complete AR-15 Upper Receiver - 12" SAR3 Quad Rail/Dynacomp Brake ranks #23 of the 711 upper receivers builders have added on GunPartPicker so far in October 2026, behind the Aero Precision M4E1 Threaded Stripped AR-15 Upper - No Forward Assist - Anodized Black, with about 1 in every 167 upper receivers added to builds. Down from #20 in September. Builds with this upper receiver are nearly all chambered in 5.56 NATO, nearly all on mid-length gas, and nearly all AR-15.
It was in stock most days in September 2026, but today 2 of the 5 retailers we track have it in stock. Prices barely moved in September 2026, holding around $797.99, so there haven't been real sales lately. Buying today, the lowest price is $797.99 at Palmetto State Armory, which matches the best price we saw in September.
Updated · from real builds on GunPartPicker · Prices checked · refreshed daily across 37 retailers
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Frequently Built With
The part most often added in each category by the builds that include this one
Sharps Bros Showdown Stripped Lower Receiver - Black, Unique Design and High-Performance for Custom AR Builds - SBLR11
Breek Arms AR-15 Warhammer MOD2 Ambidextrous Charging Handle Black
Cryptic Coatings 5.56 NATO AR-15 Bolt Carrier Group - Mystic Bronze
Rise Armament Iconic Dual-Blade Two Stage Trigger - Anti-Walk Pins - Green
Magpul AFG-2 Angled Fore Grip - Black
Daniel Defense Collapsible Mil-Spec Buttstock, Brown - 21-091-04179-011
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