Spartan SBR

SKU: SBR5105-M1B


SKU: SBR5105-M1B

Please call our Sales team at 407-928-2666 to place an order. We will need your transferring dealers’ FFL and SOT to process your order.

Shipping & Returns

Shipping & Returns

Return Authorization is required for all returned merchandise. Please email  or call 407.928.2666 to acquire a Return Merchandise Authorization Number (RMA.)

Review our complete Return Policy

Financing Available

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How It Works

Minimum $500 Order




BACKORDER: Due to high demand, this item is back ordered an estimated 12-18 months.

Pictures won’t do this rifle justice.  Built using the finest components and with the Battleworn finish this is sure to be a show stopper.

NOTE: Battleworn is a hand finished product.  Actual finish will vary.

NOTE: This rifle is a distributor exclusive.  Contact a local dealer to get yours ordered today.


Battleworn Coating

  • Lower, Upper, Rail, Trigger Guard

  • Forged Upper Receiver

  • 7075 T6 Construction
  • Forward Assist
  • Ejection Port Door
  • Ejection Port Door Spring
  • Ejection Port Door Rod
  • Laser Engraved Spartan Logo

  • 8.1" Cold Hammer Forged Barrel

  • DIN 21CrM0V511
  • 1/7 Twist Rate
  • 1/2 X 28 Thread Pitch for Muzzle
  • 5.56 Nato Chamber
  • .750 Gas Block Seat
  • M4 Feed Ramps
  • Black Nitride In and Out

  • 10" M-LOK Rail

  • 7075 T6 Barrel Nut
  • 6061 T6 Rail
  • Continuous Top Rail
  • Free Floating 1 Piece
  • Q.D. Attachment Points

  • Adjustable Gas Block

  • 3/32" Allen Screw Adjustment
  • .750 I.D.

  • Pistol Length Gas Tube

  • Black Nitride Inside and Out
  • Gas Tube Roll Pin

  • Charging Handle

  • Radian Raptor-LT 5.56
  • MilSpec Type 3 Coating

  • Nickel Boron M16 Complete BCG

  • Nickel Boron Coated
  • Laser Engraved with ST Spider logo
  • High Pressure Tested (HPT)
  • Magnetic Particle Inspected (MPI)

  • Barking Spider Muzzle Brake

  • 5-Prong Helix Flash Suppressor End Cap ONLY

  • Spike’s Gen 2 Billet Sights

  • Sliding Duel Aperature

  • Forged Lower Receiver

  • Spartan Logo
  • Shield, Sword, Blood Sword Selector Markings
  • 7075 T6 Forged Receiver
  • Multi Caliber
  • Low Shelf, RDIAS Compatible

  • Lower Parts

  • CMC 2 Stage Trigger 2/3
  • Ambi Safety
  • KNS Anti-Rotation Pins
  • Billet Trigger Guard
  • Billet Magazine Release Button
  • Spike’s Pro Grip
  • Maxim Defense CQB Stock
  • JP Silent Capture Spring

  • (SBR includes hard case and manual)

    Weight: 6lb 6oz
    Length: Position 1- 23 1/2"
    Position 3- 27 1/4"