• Sale
  • $1,993.99
  • Regular price $2,214.99

 The XO-26-S™ features an 11.5" barrel and comes in 5.56 NATO. The XO-26™ ships to 01/FFLs, and it is not an AOW.  Consequently, no NFA paperwork is required!  Each XO-26 ships with a copy of the ATF approval letter signed by the Chief of the ATF Firearms Technology Branch.

 Binary Firing System™ waiver and release

Buying a complete firearm or lower from Franklin Armory® is easy, safe and legal. Federal law requires all firearms be shipped to a licensed dealer.

Once you have placed your order, please have your FFL dealer email us a copy of their license and include your name and the order number you received.

Email FFL info to:


Chambered in 5.56 NATO
Salt Bath Nitride Chamber, Bore, & Finish
11.5” Barrel with 1/7-In. Twist in 5.56 NATO
Low Profi
le Gas Block and Carbine Length Gas System
Franklin Armory™ FST™ M-Lok Handguard MFT RSG Forward Vertical Grip
TRIUMVIR™ Flash Hider
Upper Receiver:
Franklin Armory® Salus™ Proprietary Billet Upper Receiver
Machined From 7075-T6 Aluminum
Hard Coat Type III Anodized
Full Picatinny Rail
Forward Assist
Salt Bath Nitride Bolt Carrier Group
Lower Receiver:
Franklin Armory® Salus™ Propietary Billet Lower Receiver
Machined From 7075-T6 Aluminum
Hard Coat Type III Anodized
Flared Magazine Well for Quick Magazine Changes
Bilateral Push Button QD Sling Mounts
Integral Cold Weather Trigger Guard
Serrated Memory Index Point for Shooting Finger
Textured Front Area for Offhand Grip
Specialized Tension Screw - Eliminates Upper/Lower Play
Franklin Armory® BFSIII™ Trigger
MFT EPG16 Grip
SBM4 Brace
Magpul Pmag P30 for 5.56 NATO
Reduced capacity magazine for Restricted States
Anti-Tilt Follower


Additional Features:
Comprehensive Safety Manual
California Certified Cable Lock
Complimentary Lockable Case


Not for civilian sales in CA, CT, DC, IA, ND, NJ, NY, or WA.