The Franklin Armory M4-HTF XTD R3 is a 5.56 NATO AR-15 rifle built around a 16-inch lightweight-contour barrel with a 1:7 twist (Franklin Armory part no. 00-10052-BLK). A 15-inch FSR M-LOK handguard, a midlength gas system and an Aura XTD muzzle device give it a balanced, modern feel. Franklin Armory adds a custom tuned trigger, a salt bath nitride bolt carrier and B5 Bravo stock and grip. It is a ready-to-run carbine for range use, training and general-purpose shooting.

Key Specifications

• The chambering is 5.56 NATO, the standard AR-15 military cartridge.
• The barrel is 16 inches in a lightweight (LTW) contour, which trims weight at the muzzle.
• The twist rate is 1:7, a good match for heavier 5.56 bullets.
• The handguard is a 15-inch FSR M-LOK design that gives room for lights, grips and accessories.
• The muzzle device is an Aura XTD, installed from the factory.
• The gas system is midlength, which smooths recoil impulse compared with a carbine-length system.
• The gas block is a low-profile design that sits under the handguard.
• The trigger is a custom tuned trigger from Franklin Armory.
• The bolt carrier is salt bath nitride, a finish chosen for wear and corrosion resistance.
• The stock is a B5 Bravo, paired with a B5 grip, and the top rail is optic ready.

Frequently Asked Questions

Is the M4-HTF XTD R3 optic ready? Yes. Franklin Armory lists the sights as optic ready, so a red dot or scope mounts on the top rail.

What lower and charging handle does it use? It uses a Franklin Armory FAI-15 lower with a mil-spec charging handle.

What stock and grip does it have? A B5 Bravo stock and a B5 grip.

Buy the Franklin Armory M4-HTF XTD R3 Rifle, 5.56 NATO, 16-Inch LTW Barrel, Aura XTD Muzzle Device

If you want a modern 5.56 rifle with upgraded furniture from the factory, the M4-HTF XTD R3 delivers it without a parts-bin build. Franklin Armory sets the trigger, finish and furniture so the rifle is ready out of the box. Order it from our Lubbock, Texas gun shop for fast, insured shipping to your FFL, and browse more Franklin Armory models and our AR rifles selection.