SanTan Tactical 16″ Rifle – Black

SanTan Tactical

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Product Overview

San Tan Tactical’s STT15 5.56/.223 AR15 Rifle is built with our true matched, hand-finished pillar billet sets.  The STT15 lower is fully ambidextrous and has three QD attachment points.

The upper is cut from a single solid 7075-T6 Certified Aerospace Aluminum block. Propriety special burnished bore that gives a compacted internal surface, resulting in a much smoother surface finish. The bore, receiver extension face, barrel nut threads, and barrel extension surfaces are all machined in one operation ensuring that they are perfectly concentric and perpendicular to the barrel assembly. Our receiver serial number matched sets are hand ground for optimal fit, finish, and long-term repeatable accuracy.

Adding to that the San Tan .223 Wylde barrel, machined from 41V50 vanadium steel with a 1:7 twist, ½-28 threaded end, and dimpled for gas block alignment and retention.

Built with the CMC AR15 3.5lb Single Stage Flat Bow Trigger. CMC Triggers is the original manufacturer of the Drop-in Trigger Group for the AR-15/10 rifle since 2003. CMC’s critical sear engagement surfaces have a proprietary machining process that renders superior surface finish and dimensional control. As compared to their competition, the techniques used to establish a 1-2 RMS surface finish as opposed to EDMing which leaves a pitty 32 RMS, compared to a mirror which is 0 RMS.

STT Enhanced Bolt Carrier Group – AR15 5.56/.223/300 Blackout BCG rounds out the internals.  Our BCG is 9310 case hardened steel, MPI, and HPT tested to 70,000 psi. It features three gas ports to bleed of excess gas encountered with suppressors and full auto tail is enlarged and chamfered to allow for faster center up in the buffer tube and to prevent carrier tilt. Finished in black nitride coating with a staked gas key.

Midwest Industries® combat rail gives the STT15 a full-length picatinny rail with M-LOK attachments all around for any attachment needs and two more QD sling points.

San Tan Tactical STT15 5.56/.223 Rifle Features:

  • STT Suppressor Optimized Enhanced Bolt Carrier Group
  • .223 Wylde Barrel featuring Extended Feed Ramps
  • CMC Triggers® 3.5lb Single Stage Drop-In Trigger
  • Magpul® MOE® Grips, Stock, and Flip-Up Sites
  • Midwest Industries® Combat Rail
  • Ambidextrous Charging Handle
  • Mil-Spec 6 Position Buffer Tube and H1 Buffer
  • Precision CNC Machined Billet 7075-T6 Certified Aluminum
  • Propriety Special Burnished Bore that Gives a Compacted Internal Surface, Resulting in a Much Smoother Surface Finish
  • Ambidextrous Mag and Bolt Release Controls
  • Type 3, Class 2, Deep Black, Hardcoat Anodized Black
  • CERAKOTE Options are Available for Additional Cost

At San Tan Tactical, we want to leave a proud legacy of American Made firearm design. By innovation, superior performance, and value. American Made, through and through is the core value at San Tan Tactical. San Tan Tactical wants every shooter to be completely satisfied! Giving them absolute pride of ownership in each product we design and manufacture.

Our formula for success is simple-

San Tan Tactical believes in America, and the heritage upon which this great nation was built! We are a company owned and operated by Americans for Americans! We utilize the finest quality American made machines in conjunction with the highest quality American made materials. At San Tan Tactical we pride ourselves to give unparalleled customer service by listening, understanding, and quickly satisfying our shooters needs, desires, and concerns.

San Tan Tactical will never forget that our future success depends on the legacy of our past. We are not satisfied until you are satisfied!

All San Tan Tactical products come with a Lifetime Warranty and are made in the U.S.A. San Tan Tactical proudly designs all its products for Law Enforcement, Military, and Civilian use.


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