The Shorty is 5.8 LBS of pure flexibility. Short enough for those tight spaces and long enough to reach out to 300 yards if needed.

In stock items are built and ready to ship.

(Expect 12 weeks for shipping on any backordered items) We are trying hard to get this time down so thank you for your business and patience.

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The Shorty Doc SBR W/ Mlok

The Handguard

  • 10 inches made from 6061 T6 Aluminum
  • Mlok at 3,6,9 o’clock as well as the 45 degrees cuts for versatile mounting options.
  • Full length picatinny on top rail.
  • Front and rear anti rotational QD points on both sides
  • Retention system and anti rotational tabs that prevents movement of handguard during use.

The Barrel

  • 10.3 inch 1:7 Twist Hanson profile.
  • DI gas system for smoother cycling and pinned non adjustable gas block.
    • Carbine Length- 556 NATO
    • Pistol Length- 300 BLK
  • CrMoV with QPQ finish eliminating the need for chrome lining.
  • HP and MPI tested.
  • A2 Flash hider.

MD Enhanced Bolt Carrier Group

  • The beating heart of our rifles and there are no denying it has a strong heart.
  • Precision ground inside and out for a near frictionless surface ensuring long term reliably.
  • ArmorLube coating (advanced DLC and MILSPEC)
  • Bolt is machined from 9310 steel and properly heat treated, MPI and shot peened for superior strength and durability.
  • 100% American made and full auto capable.

Billet Gen 2 Lower Receiver

  • Lower receiver is billeted from 7075 T6 aluminum with a solid piece trigger guard and cut out shelf.
  • Right side bolt release
  • Flared mag well for faster reloads under stress.
  • Enhanced buffer tube features
    • Position drain holes to that easily removes water in maritime environments and prevents build up of gas and creating smoother cycling of BCG.
    • Carrier support extension that guides BCG into the extension prohibiting carrier tilt and excessive carrier wear while holding the buffer pin in place and making backing out under recoil impossible.
  • MD H1 buffer and stainless steel cryo treated flat wire buffer spring that eliminates “twang” noise and increasing forward pressure which greatly increases reliability.
  • Geissele 2 stage SSA trigger

Billet Upper Receiver

  • Billeted upper receiver from 7075- T6 aluminum to extremely tight tolerances to ensure proper cycling and a perfectly flat surface for flush fit for the barrel.
  • The barrel and the upper receiver are thermal fit to lock the barrel in for an extremely tight connection. This increases the rifles durability and gives it bolt like accuracy.

The Shorty Doc SBR is a versatile weapon for any kit. Its designed to work in close quarters but can still reach out 300 yards with ease.

Additional information


Precision ground, Heat treated, Shot peened, MPI

BCG Coating

ArmorLube Advanced DLC

Billet Upper

Billet 7075- T6 aluminum

Billet Lower

Billet 7075- T6 aluminum

The Barrel

Performance CrMoV Hanson Profile

Barrel Length


Barrel Twist


Gas System

Carbine DI- 556
Pistol Length- 300 BLK

Hand Guard

6061 T6 Aluminum

Rail Mounting System


Muzzle Threads



5.8 LBS




Standard AR 5.56 mag




Geissele SSA two stage

Safety Selector

Radian Ambidextrous

Charging Handle

Radian Raptor Ambi


E Series Cerakote on top of Type 3 Hardcoat Anodized

Buffer Weight


Buffer Spring

Proprietary Flat Wire


5.56 NATO, 300 BLK


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