Introducing the Defiance-15!

Smith Tactical LLC is proud to announce the release of the Defiance - 15.

A 100% made in the USA Other weapon available in 5.56/300BLK and 9mm.

Manufactured and assembled in CT.

Available only for those with proper authorization and permits.

Average lead time is 6-8 weeks.

Parts List


The Defiance 15 is currently available in 5.56/300BLK and 9mm. Coming soon - 45ACP.

Lower Receiver

7075-T7 Aluminum, Manufactured in CT, Type 3 Class II anodized black.  

Upper Receiver

7075 - T7 Aluminum, Manufactured in CT, Mil Spec M4 upper receiver, Type 3 Class II anodized black. 


Match grade OEM Smith Tactical 12.5” barrel, twist varies by caliber. Lathe work done in house.

Gas System

Military issue nitrided gas block with tube.

Muzzle Device

Smith Tactical Manufactured Flash Hider is stock. Others are available on request.

Bolt Carrier Group

Mil-Spec Phosphated Full Auto/Full Mass carriers. Keys are inspected and tested individually before sale. 

Buffer Tube/Buffer

Smith Tactical custom length tube - Designed for CT Others. Mil-Spec. Stock is an A2, but it varies by caliber. 


Smith Tactical custom clamping 10” free float. We use a proprietary nut to secure the handguard to the upper. Type 3 Class II anodized black.  


We use a variation of the Colt Mil-Spec battle trigger. A trigger job is performed on every unit we manufacture. If another trigger is requested, we can upgrade to almost any trigger on the market. 


The SBM4 is our brace of choice and is available on all stock Smith Tactical Others 


MSRP for the stock Defiance-15 is $1349.99.

Additional Information

Interested in the Defiance-15?

Drop us a line and we'll get in contact with a dealer near you!

Smith Tactical

Oxford, CT

(203) 850 - 7770