The Franklin Armory Praefector M (brand part no. 0010083BLK) is a .308 Winchester AR-10-pattern rifle equipped from the factory with Franklin Armory’s binary trigger, giving shooters a distinct, controllable firing option beyond a standard single-stage trigger. The 20-inch barrel takes full advantage of .308’s ballistics for shooters who want reach and power in a semi-automatic platform. It suits precision-minded shooters and hunters who want a full-power AR-pattern rifle with a factory-installed performance trigger already dialed in. The 1:10 twist barrel is tuned for standard .308 bullet weights.

Key Specifications

• Chambered in .308 Winchester/7.62 NATO for full-power rifle ballistics.
• Rifling twist of 1:10 inches stabilizes standard .308 bullet weights.
• Fitted with a 20-inch barrel for extended range and velocity.
• Equipped from the factory with Franklin Armory’s binary trigger.
• Ships in a 20-round capacity configuration.
• Overall length measures approximately 47.8 inches.
• Ships without factory sights, ready for an optic of your choice.
• Runs a semi-automatic AR-pattern operating system.
• Uses a rifle-length gas system with a low-profile gas block.
• Fitted with a 14-inch free-float M-LOK handguard and a billet aluminum receiver.

Frequently Asked Questions

What does the binary trigger do? It is Franklin Armory’s factory-installed performance trigger, giving shooters a distinct, controllable firing option beyond a standard single-stage trigger.

Does this rifle come with sights? No, it ships without factory sights, ready for the optic of your choice.

Buy the Franklin Armory Praefector M 308 Win Rifle

This binary-trigger-equipped .308 rifle is ready to ship where available. Order it from our Lubbock, Texas gun shop for fast, insured shipping to your FFL, and check out more Franklin Armory rifles alongside other semi-auto rifles.