The Faxon Firearms Pro is a semi-automatic AR-15 pattern rifle chambered in 6.5 Grendel with a 16-inch Match Series Gunner Profile barrel that is threaded at the muzzle. It runs off Faxon's adjustable .750-inch gas block and a superfinished bolt carrier group, and it wears a black aluminum receiver with a 15-inch Streamline M-LOK handguard. 
 

Key Specifications 

• Brand: Faxon Firearms 
• Model: Pro 
• Caliber: 6.5 Grendel 
• Action: Semi Auto 
• Capacity: 10+1 
• Barrel Length: 16" 
• Handguard Length: 15" M-LOK 
   

Detailed Features 

• Gunner Profile barrel pairs with Faxon's adjustable .750-inch gas block for tunable cycling 
• Superfinished bolt carrier group is built to reduce fouling and smooth the action 
• Muzzle device is Plan B compatible for direct suppressor mounting 
• Faxon Enhanced Match Trigger by Schmid and an ambidextrous safety handle the fire controls 
• Ships with B5 Systems Bravo stock and grip, an ambi charging handle, and a 10-round Duramag magazine

The Faxon Pro line draws AR-15 shooters who want a Grendel upper built with match-grade parts rather than a budget kit gun. Owners consistently mention that the barrel quality and superfinished bolt carrier group cycle smoothly out of the box, and Faxon's reputation for barrel work carries over well to this build.

On the range, the adjustable gas block lets owners tune the action for different loads, which people running suppressors or hot handloads appreciate. The B5 furniture and Faxon trigger get generally positive marks for ergonomics, though a few owners swap the stock or grip for personal preference since AR platforms make that easy.

6.5 Grendel as a chambering still has a smaller aftermarket than 5.56 or .308, so magazine and ammunition selection is a recurring topic among owners, most of whom plan around it rather than see it as a dealbreaker. Overall the Pro is viewed as a well-built, mid-to-upper-tier Grendel rifle rather than an entry-level option.