The GForce Arms Jawbone is a semi-automatic pistol chambered in .45 ACP with a 7-inch, QPQ-finished 4140 steel barrel and a threaded 5/8-24 muzzle. The aluminum alloy receiver is black, and the pistol ships with an Ace of Brace paddle-style pistol brace and a full-length Picatinny rail for optics and accessories. It feeds from Glock-pattern magazines with a 26-round capacity. 
 

Key Specifications 

• Brand: GForce Arms 
• Model: Jawbone 
• Caliber: .45 ACP 
• Action: Semi-Auto 
• Capacity: 26+1 
• Barrel Length: 7" 
• Overall Length: 23.25" 
• Weight: 5.6 lbs 
• Barrel Finish: QPQ 
• Barrel Material: 4140 Steel 
• Receiver Material: Aluminum Alloy 
   

Detailed Features 

• Muzzle is threaded 5/8-24 UNEF for mounting a compensator or suppressor. 
• Ace of Brace paddle pistol brace attaches for added stability during use. 
• Controls are ambidextrous, including the magazine release and charging handle, plus a forend-mounted charging handle for additional leverage. 
• Full-length top Picatinny rail runs the length of the receiver for optic mounting. 
• Magazine well accepts Glock-pattern magazines, giving access to widely available aftermarket mags.

The Jawbone draws attention for putting a long, threaded .45 ACP barrel and a Glock-compatible magazine well into one large-format pistol, and owners in this segment generally like having a braced pistol option that runs common aftermarket mags rather than a proprietary magazine. Reliability chatter on hybrid pistols like this tends to hinge on magazine quality more than the gun itself, so owners often note which mags cycle cleanest for them.

Handling opinions split along expected lines. The 7-inch barrel and aluminum receiver add front-end weight that some shooters find helps tame .45 ACP recoil, while others find the length awkward compared to a standard-size pistol. The ambidextrous controls and forend charging handle get praise for making the gun workable for both left- and right-handed shooters without extra parts.

Value-wise, buyers comparing the Jawbone against building a similar braced pistol from separate parts tend to like the convenience of a factory-assembled package with the brace and rail already installed. Aftermarket support benefits from Glock magazine compatibility, since spare mags and pouches are easy to find compared to a pistol with a proprietary magazine.