The Franklin Armory M4-HTF is a semi-automatic rifle chambered in .350 Legend with a 16-inch barrel and 10+1 capacity. The receiver is aluminum upper/lower construction with a hard coat anodized black finish. Twist rate is 1-in-7. Sights are optics ready (none included). 
 

Key Specifications 

• Model: M4-HTF 
• Caliber: .350 Legend 
• Action Type: Semi-Auto 
• Barrel Length: 16 inches 
• Capacity: 10 + 1 rounds (includes one magazine) 
• Finish: Hard Coat Anodized, Black 
• Stock Type: Collapsible / Folding Stock (B5 Bravo Stock/Grip) 
• Rate of Twist: 1-in-7 
• Receiver Material: Aluminum Upper/Lower Construction 
• Sights: Optics Ready / None 
   

Detailed Features 

 
The B5 Bravo collapsible stock adjusts for different lengths of pull. The custom-tuned trigger is designed for a consistent pull, which helps with accuracy on follow-up shots. The 15" FSR Handguard has good rail space for mounting optics and accessories without adding much weight. The Aura XTD muzzle device reduces muzzle rise, keeping the rifle on target for faster second shots. .350 Legend is well-suited for whitetail deer hunting, particularly in straight-wall-cartridge states.

Owners of the Franklin M4-HTF XTD R3 .350 Legend tend to focus on accuracy and build quality as the main selling points. The .350 Legend cartridge is consistently praised for hunting performance, especially on deer at moderate distances. The ergonomics get positive marks, with the adjustable stock and handguard noted as practical rather than just marketing features.

Criticism clusters around a few areas: some users find the rifle heavier than expected for a hunting carry gun, .350 Legend ammunition can be harder to source and costs more than common rifle cartridges, and a few enthusiasts feel the customization ecosystem is narrower than what's available for standard AR-15 builds.

For hunters who specifically need a .350 Legend platform, whether because of state regulations or preference, the M4-HTF has a good reputation. General-purpose AR buyers looking for the widest aftermarket support may want to compare options.