Special Ops Tactical STX15 “Bob Keller” 14.8-16.3″ PW – Bronze


Caliber – 5.56 NATO

Capacity – 30 + 1 Rounds

Barrel Length – 14.8″ (16.3″ w/ P&W Muzzle Brake)

Twist – 1:7

Thread – 1/2 x 28

Rail – Firestorm-14″ MLOK Free Float

Muzzle – SOT (INFERNO) Precision Brake

Sights – Optic Ready

Overall Length – 32-35″

Weight – 6.1 lbs

1 in stock

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“The “Bob Keller” Signature Rifle is here!

The Bob Keller Signature Rifle is one of the very best in the industry.  Featuring our patented Siphon AGP Barrel; renowned for its low recoil and flat shooting characteristics making “ready up’s” and transitions from target to target a breeze.

  • Magpul MIAD modular Pistol Grip
  • Magpul CTR Carbine Stock (Mil-Spec)
  • Magpul MOE Trigger Guard
  • QD End Plate “Quick Swivel Disconnect End Plate “Staked”
  • Mil-Spec receiver extension Tube
  • Mil-Spec Trigger
  • “Raptor” Ambi Forged Charging Handle
  • Hand Guard Type: FIRESTORM-14″ MLOK Free Floating Rail System
  • (Nitride) Shot peened and MPI tested bolt
  • (Nitride) M16 Bolt Carrier Group with properly staked carrier key
  • “Siphon” AGP Tuned Gas Port
  • 14.8″ Siphon AGP 4150 CrMoVa (with Permanently Attached Inferno Muzzle Brake)

Additional information


Special Ops Tactical


5.56 x 45mm NATO


30 Rounds

Firearm Type