The Combat Armory CA-15 full Pic rail pistol is a compact 5.56mm AR-15 pistol with a 7.5-inch barrel and a 7-inch free-float handguard (Combat Armory part no. CA15.7FR.556P). The handguard is an M-LOK design with a full-length Picatinny top rail, giving you continuous rail space for optics, lights and lasers. Both the upper and lower are machined from billet 7075-T6 aluminum and hard-coat anodized black, and the pistol comes with Mil-Spec components installed. The barrel is 4140 chrome moly vanadium steel in an M4 profile with a Melonite finish, fed by a pistol-length gas system. It is a compact, ready-to-run AR pistol for home defense, vehicle carry or a short suppressor host.

Key Specifications

• The chambering is 5.56mm, with M4 feed ramps in the barrel extension for reliable feeding.
• The barrel is 7.5 inches of 4140 chrome moly vanadium steel in an M4 profile with a Melonite finish.
• Rifling twist is 1:7, suited to the heavier 5.56 bullets that hold up best from a short barrel.
• The muzzle is threaded 1/2×28 with an A2 flash hider, so it accepts common 5.56 muzzle devices.
• The handguard is a 7-inch free-float M-LOK rail with a full Picatinny top, giving continuous mounting space.
• The receivers are billet 7075-T6 aluminum with Type III hard-coat anodizing, a rigid, durable pairing.
• It ships with one 30-round magazine, and the gas system is pistol length with a .750 low-profile gas block.

Frequently Asked Questions

What makes this version different from the slim-rail CA-15? This configuration uses a 7-inch M-LOK handguard with a full-length Picatinny top rail, so optics and accessories can mount anywhere along the top.

What muzzle thread does it use? The barrel is threaded 1/2×28 and ships with an A2 flash hider installed.

Buy the Combat Armory CA-15 Pistol 5.56mm, 7.5-Inch, Full Pic M-LOK Rail

A 7.5-inch AR pistol only earns its place if it is reliable and easy to set up, and the full Picatinny top makes mounting a red dot and a light simple. Order this Combat Armory pistol from our Lubbock, Texas gun shop for fast, insured shipping to your FFL, and compare it with our other AR pistols.