Spike's Tactical ST-15 Spartan (5.56mm) Semi-Auto Rifle with Nickel Boron Coated Battleworn Finish

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The Spartan Rifle

Pictures just don’t do this rifle justice.  The Nickel Boron Coated Battleworn Finish absolutely sets this rifle apart from any other.  Not to mention it is built using the finest components.  This rifle is definitely a show stopper.

Spike’s Tactical is a US manufacturer which creates high quality parts, uppers, and complete rifles. Every component is manufactured to Mil-spec standards and is backed by the Spike’s Tactical lifetime warranty.

Spike’s Tactical Spartan Battle Rifle is an excellent rifle for hunting or defense but would really shine in competition! The Spartan rifle features a MIL-Spec M4 flat top upper receiver assembly with a 16″ cold hammer forged chrome lined barrel and a POF-USA muzzle break to keep you on target. The precision machined Spike’s Spartan Logo lower is outfitted with an ambi safety, a CMC two stage trigger and a Magpul MOE Slim Line Stock. It has a 12″ Spike’s M-LOK compatible free-floating handguard and a full length picatinny top rail with folding Magpul MBUS Pro sights. Now you can get a high performance competition quality AR-15 at a price you can afford!

Features and Specifications

  • Forged Upper Receiver in Nickel Boron Coated Battleworn Finish
  • 7075 T6 Forged Lower Receiver with Spartan Logo also in Nickel Boron Coated Battleworn Finish
  • Nickel Boron M16 Complete Bolt Carrier Group
  • 16″ chrome lined threaded barrel (1/2×28 tpi)
  • POF-USA Muzzle Brake
  • Magpul MBUS Pro Flip-up Sights
  • 12″ M-Lok Free floating 1 piece hand rail
  • QD Attachment Points
  • BCM Mod 4 Charging Handle
  • CMC Match Grade 2-Stage 2/3 Flat Trigger
  • Ambi-Safety Controls
  • KNS (Gen 2) Anti-Rotation Pins
  • Billet Trigger Guard
  • Spikes ST-T2 Buffer
  • Magpul MOE SL Stock


Additional Information
ManufacturerSpike’s Tactical
ModelST-15 Spartan
TypeRifle: Semi-Auto
Barrel16″ Chrome Lined threaded Barrel (1:7 twist) – 1/2×28 tpi
Handguard12″ M-LOK Rail
SightsMagpul MBUS PRO Flip-up Sights
ReceiverSpartan – Nickel Boron Coated Battleworn Finish
TriggerCMC Match Grade 2-Stage Flat Trigger
StockMagpul MOE SL Stock (Black)
Muzzle DevicePOF-USA Muzzle Brake
Overall Length32″ Collapsed/35.25″ Extended
Weight7.1 lbs.
MagazineOne 30 round Magpul PMAG Magazine
Product SKUSTR5570-M2R

Additional Information Content

Modern Warriors

We started Modern Warriors for the sole purpose of providing a less expensive way to enjoy our love of buying and shooting some really cool stuff. What started as a hobby has turned into a business where we have developed the experience and ability to help you enjoy our same hobby and save you money in the process.

We specialize in tactical weapons, including suppressors, short barrel rifles and full auto weapons. We have routine experience in shooting the weapons we carry, so if you want our opinion on how a weapon operates, we will gladly provide it. We also have expertise working with licensed professionals in setting up gun trusts, which is an ideal way of purchasing, owning and operating any weapon restricted by the National Firearm Act. Don’t let the word “trust” scare you. It is very easy to set one up if you have the right help.

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