Used CUSTOM Spikes Tactical MOD-ST15 6.8 SPC II ST-15 AR15 AR WILSON BARREL

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How Buying WorksEnding October 12, 2026 at 9:45 PM

Key Features

  • Item Type: Semi Auto Rifles
  • Action: Direct Impingement
  • Manufacturer: Spikes Tactical
  • Capacity: 10 1
  • Model: MOD-ST15
  • Barrel Length: 16"
  • Caliber: 6.8 SPC II
  • Finish: Light Gray
  • Overall Condition: Excellent

Product Description

    Spikes Tactical MOD-ST15 6.8 SPC II AR-15, Custom Build with 16 in Wilson Stainless Fluted Barrel, Free-Float Rail, Ambi Safety, Light Gray Finish

    This custom-configured Spikes Tactical MOD-ST15 is chambered in 6.8 SPC II and built around a 16-inch Wilson stainless steel fluted barrel with a 1:11 twist. It features a free-float aluminum handguard with a full-length top Picatinny rail, an ambidextrous safety selector, and Magpul MOE SL furniture, all finished in a uniform light gray. A flip-up rear sight is installed, and the rifle includes three 10-round magazines.

    Condition

    Overall Condition: Excellent condition, showing only faint signs of any prior use or handling.

    Bore Condition: Excellent - Clean, mirror finish, no signs of wear.

    Rifling: Excellent Rifling - Sharp lands and grooves.

    Specific Condition Notes: Minimal markings from previous handling and use. The bore is bright and clean. There is a manufacture blemish on the left side of the lower receiver just above the magazine release.

    What’s Included
    • Case: None included
    • Flip-up rear sight installed (rear sight marked GOTATU)
    • QD sling swivel installed on handguard
    • Three 10-round steel 6.8 SPC detachable box magazines

    Built on the AR-15 platform, this MOD-ST15 uses a direct-impingement, semi-automatic action and an A3 flat-top upper with brass deflector, forward assist, and ejection-port cover. Capacity is noted as 10+1. Receiver markings include the skull rollmark, MOD-ST15, CAL-MULTI, and Spikes Tactical Apopka, FL U.S.A.

    The barrel is a Wilson stainless steel, 16-inch, fluted medium/heavy profile with a 1:11 twist, rollmarked "WILSON 6.8 SPC II 1-11 S." It is threaded and fitted with a knurled thread protector.

    The free-float aluminum handguard provides a full-length top Picatinny rail (no T-numbering) and modular accessory rail sections. T-markings are present on the upper receiver rail only. A flip-up rear sight is installed, marked GOTATU. A QD sling swivel is mounted to the handguard.

    Controls and furniture are upgraded with an ambidextrous safety selector, an adjustable Magpul MOE SL carbine stock, and a Magpul pistol grip. The uniform light gray coating extends across the receivers, handguard, buffer tube, stock, and grip for a cohesive finish.

Specifications

Item TypeSemi Auto Rifles
ManufacturerSpikes Tactical
ModelMOD-ST15
Caliber6.8 SPC II
Overall ConditionExcellent
Bore ConditionExcellent
ActionDirect Impingement
Capacity10 1
Barrel Length16"
FinishLight Gray
Stock/GripsMagpul pistol grip
Sight/Opticflip-up iron sights
Country of OriginUnited States