6 ARC 18” Rifle Length – Black Ano
Introducing the 6 ARC by San Tan Tactical®: Revolutionize your shooting experience with the pinnacle of precision and power. Engineered for those who demand excellence, this firearm blends cutting-edge technology with unparalleled craftsmanship to deliver a performance that’s second to none.
$2,475.36
6 ARC 18” Rifle Length – Black Ano
Introducing the 6 ARC by San Tan Tactical®: Revolutionize your shooting experience with the pinnacle of precision and power. Engineered for those who demand excellence, this firearm blends cutting-edge technology with unparalleled craftsmanship to deliver a performance that’s second to none.
$2,475.36


6 ARC 18” Rifle Length – Black Ano
San Tan Tactical® STT-15-6ARC Rifle
Why choose the STT 6 ARC? Because you deserve a gun that adapts to your every need, whether you’re on the range or in the field. Its innovative design ensures superior accuracy and reliability, allowing you to hit your mark with confidence every time. Lightweight yet robust, the 6 ARC offers unrivaled maneuverability without compromising on strength or durability.
Every detail of the 6 ARC is meticulously crafted to meet the highest standards. Whether you’re a seasoned shooter or a tactical enthusiast, the 6 ARC promises an experience that’s as thrilling as it is precise.
Features:
- San Tan Tactical® 6mm 6 ARC Enhanced Bolt Carrier Group
- Proof Research® 18” Carbon Fiber 6 ARC Barrel, 1:7.5 Twist
- Rifle+ Gas System
- CMC Triggers® 3.5lb Single Stage Match Grade Trigger
- MagPul® MOE Grip
- MagPul® CTR Stock
- San Tan Tactical® Wedgelock 16” M-LOK Rail, 6061-T6 Aluminum, Type III Class 2 Hardcoat Anodized Black
- Precision CNC Machined Receivers from Billet 7075-T6 Certified Aluminum, Type III Class 2 Hardcoat Anodized Black
- Ambidextrous Mag and Bolt Release Controls (Ambi Version Only, Not Lite)
The San Tan Tactical® Difference
At San Tan Tactical, we are committed to creating a legacy of American-made firearm excellence. Our focus on innovation, superior performance, and value embodies our core belief in American craftsmanship. We strive for complete customer satisfaction, instilling pride in every product we design and manufacture.
Our success formula is simple: we honor America’s heritage and are proudly owned and operated by Americans. Utilizing only top-quality American-made materials, we deliver unmatched customer service by attentively addressing our customers’ needs and concerns.
We stand by our products with a Lifetime Warranty, ensuring your satisfaction is our priority.
Designed for law enforcement, military, and civilian use, every STT product is proudly made in the USA.


STT Lower Features
STT Lower Features
- Huge 1.38” Integrally Machined Magazine Well Flare
- Ambidextrous Quick Attach Detach Sling Swivel Points with Anti-Rotation Stops
- Ambidextrous Bolt Release
- Ambidextrous Magazine Release
- Bullet Pictogram Safety Selector Markings
- Set Screw Trigger Creep Adjustment
- Set Screw Upper Take Down Tension Adjustment
- Shooter Ready Finger Rest
- Oversized Winter Trigger Guard Perfect for Gloved Hands
- Dowel Screw Assembly
- Ultra-Grip Texture on All Controls
- San Tan Tactical Truss Pockets for Increased Structural Rigidity
- Cut from a Single Billet 7075 -T6 Aerospace Grade Aluminum
- Shell Deflector
- Fully Assembled with Forward Assist & Ejection Port Cover
- Machined in T Markings for Easy Optic Relocation
- Machined with M4 Feed Ramps
- Machined to Mil-Spec Standards
- Interfaces with all AR15/M16/M4 Systems & Accessories
- Compatible with Multiple Rails, Anti-Rotation Tabs & Pins
- Compatible with All Known Battery Levers
- No Roll Pin Design – Forward Assist Attaches Via Threaded Dowel Pin
- Ambidextrous Charging Handle


STT Lower Features
STT Lower Features

- Huge 1.38” Integrally Machined Magazine Well Flare
- Ambidextrous Quick Attach Detach Sling Swivel Points with Anti-Rotation Stops
- Ambidextrous Bolt Release
- Ambidextrous Magazine Release
- Bullet Pictogram Safety Selector Markings
- Set Screw Trigger Creep Adjustment
- Set Screw Upper Take Down Tension Adjustment
- Shooter Ready Finger Rest
- Oversized Winter Trigger Guard Perfect for Gloved Hands
- Dowel Screw Assembly
- Ultra-Grip Texture on All Controls

- San Tan Tactical Truss Pockets for Increased Structural Rigidity
- Cut from a Single Billet 7075 -T6 Aerospace Grade Aluminum
- Shell Deflector
- Fully Assembled with Forward Assist & Ejection Port Cover
- Machined in T Markings for Easy Optic Relocation
- Machined with M4 Feed Ramps
- Machined to Mil-Spec Standards
- Interfaces with all AR15/M16/M4 Systems & Accessories
- Compatible with Multiple Rails, Anti-Rotation Tabs & Pins
- Compatible with All Known Battery Levers
- No Roll Pin Design – Forward Assist Attaches Via Threaded Dowel Pin
- Ambidextrous Charging Handle


STT Carrier Assembly
STT Carrier Assembly
- Black Nitride finish
- Enlarged forward ports
- Optimized for suppressor use
- Hardened 4340 cam pin
- Mil-Spec 8740 steel firing pin
- MPI and HPT tested
- Mil-Spec Extractor Spring & O-Ring
- 6.5 Grendel / 6mm Advanced Rifle Cartridge (6mm ARC) compatible
- Industry Leading Proof Research® Barrel
- Ultra Lightweight
- Superior Accuracy
- 7.5 Twist
- .750 Diameter Gas Block


STT Carrier Assembly
STT Carrier Assembly

- Black Nitride finish
- Enlarged forward ports
- Optimized for suppressor use
- Hardened 4340 cam pin
- Mil-Spec 8740 steel firing pin
- MPI and HPT tested
- Mil-Spec Extractor Spring & O-Ring
- 6.5 Grendel / 6mm Advanced Rifle Cartridge (6mm ARC) compatible

- Industry Leading Proof Research® Barrel
- Ultra Lightweight
- Superior Accuracy
- 7.5 Twist
- .750 Diameter Gas Block

