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T1T KRATOS · 5.56 NATO · 12.5IN SBR

T1T Kratos

T1T Kratos 12.5 inch SBR, full right profile

T1T Kratos – 5.56 NATO 12.5in SBR- FDE/BLK

$2,500.00

  • Hand fitted receiver setMatched and serialized as a pair, not sorted from a bin.
  • 12 week build timeBuilt to order in Walford, Iowa.
  • Adjustable gas blockTune it for your can, your load, your climate.
  • 25,000 round third party testIndependently run by 110 SASS, unedited.

Ships directly to your licensed FFL dealer, not to your door, with the case and all accessories. We collect your dealer details once the order clears. Transfer fees are paid to the dealer directly.

Up Close

Machined, fitted, photographed honestly.

Serialized matched receiver set, magwell crest detail Serialized matched sets Adjustable flat face trigger A trigger you tune Receiver after a high round count test Run hard, on camera Kratos in the field Gassed for the real world
The Build Sheet

Every line item, in the open.

Cold hammer forged barrel

A 12.5″ CHF 4150 CMV barrel with a carbine-length gas system, built for consistent cycling across a wide range of 5.56 NATO ammunition.

  • 1:7 twist rate optimized for 5.56 NATO stabilization
  • Chrome lined bore for extended service life
  • Heavy profile with dimpled fluting for strength and weight reduction
  • Magnesium phosphate coating for corrosion resistance

Billet receiver platform

Precision machined 7075-T6 billet upper and lower receivers, finished in Type III hardcoat anodizing for strength and corrosion resistance.

  • Billet 7075-T6 aluminum construction
  • Mil-spec component compatibility
  • Tight tolerances for rigidity under hard use

Premium internals

Components chosen to reduce wear and keep cycling consistent well past break-in.

  • DLC coated auto bolt carrier (8620 steel)
  • K-SPEC enhanced AR-15 bolt (C158 steel, MP3 finish, dual ejector)
  • Geissele Super 42 braided wire buffer spring with H2 buffer
  • Strike Industries Advanced 7-position receiver extension (7075-T6)
  • Strike Industries Tribus castle nut with 3 QD mounting positions

Controls and ergonomics

Ambidextrous throughout, with a trigger you tune rather than tolerate.

  • Tier 1 Tactical AR Pro single stage trigger, adjustable 1.5–5 lbs, flat face
  • Radian Talon ambidextrous safety selector, 45° / 90° throw
  • Ambidextrous bolt catch and Radian Raptor LT charging handle
  • 6061-T6 aluminum M-LOK handguard with QD sling points
  • Magpul MOE SL-S stock with waterproof storage
  • Driven Arms Co Vertical Crossover Grip with sawtooth texture
Specifications

Read the whole build sheet.

Caliber5.56 NATO
Barrel length12.5″
Gas systemMid-length
Overall lengthApprox. 30″ – 33″
WeightApprox. 6.2 lbs
Twist rate1:7
FinishType III hardcoat anodized
ColorFDE / Black
SKU810190110867

Specifications are for the standard configuration and may vary slightly by build. Overall length depends on stock position.

The Line

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Tier 1 Tactical
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