Specs & Features

  • Chambered in 5.56×45 NATO (.223 Rem compatible), ideal for versatile AR use 

  • 16″ mid-length barrel, chrome‑lined for longevity, with 1:7″ twist and standard A2 flash hider 

  • 7075‑T6 forged upper & lower, hard‑coat anodized, RDIAS compatible—built to endure 

  • Mid‑length gas system reduces recoil and extends gas‑tube life 

  • Jewel‑mil spec trigger, polished internals, may include ambi controls depending on variant 

  • Magpul MBUS rear + A2 front sights, full Pic rail ready for optics

  • 6‑position adjustable stock and ergonomic “pro” grip 

User Experience

Reddit users call Spikes rifles “mid‑pack”, praising their smooth triggers, solid accuracy, and durability under heavy use 
Another review: “It is the smoothest AR trigger I've felt in a stock gun… M16‑compatible BCG, polished internals” 
Forum feedback: “No FTE’s… couldn’t ask for anything more out of my SL‑15” 

General Used Condition

Typical trade‑in show wear: minor scuffs/rub marks, full-function with no mechanical issues. A recent used sale logged around $445 for a 16″ SL‑15.

Performance & Accuracy

  • Shoots sub‑MOA groups with quality ammo (Hornady 75 gr).

  • Depth of performance: reliable with mil-spec mags and handles “hot & dirty” shooting.

 

Summary

The Spikes SL‑15 with a 16″ mid-length barrel is a robust, accurate, and enjoyable AR platform. Users appreciate its smooth trigger, accuracy, and solid construction without the premium price of boutique brands. A used model around $450–$600 offers excellent value, especially for those seeking quality without breaking the bank.