Griffin Armament Low-Pro Handguard Features The Griffin Armament Low-Pro rail was designed to solve a real problem with slim lightweight handguards: flex under load that throws off point of impact when accessories like IR laser aimers are mounted. A custom aluminum extrusion provides internal reinforcement that Griffin states cuts POI shift with laser aimers by 70 percent versus competing slim rails. The 1.35 inch inner diameter and 1.54 inch width keep the profile slim in the hand while the M-LOK mounting slots allow attachments anywhere along the rail s 12.5 inch length. Carefully positioned cooling slots let heat escape during sustained strings of fire without compromising the rail s rigidity. Finished in Black Anodized aluminum the Low-Pro resists corrosion and wear from repeated handling and holster or barricade contact. At just 10.1 ounces it adds minimal weight to the front of a carbine build an important factor for shooters running suppressors lights or optics forward of the receiver. Mounting hardware and thread locker ship in the box so installation is straightforward without a trip to the hardware store. Shooters building a precision or duty carbine who need a slim rail that stays true under bipod loads barricade stress or aggressive handling will find the Low-Pro a rigid dependable upgrade. Griffin Armament Low-Pro Handguard Specifications Manufacturer: Griffin Armament Model: Low-Pro Color: Black Anodized Material: Aluminum Mount Type: M-LOK Length: 12.5 Tube Diameter: 1.35 Height: 2 Width: 1.54 Includes: Mounting Hardware Thread Locker Weight: 10.1 oz Available At: GrabAGun