- Color: Black
- Height max: 84.7 mm
- Length max: 223 mm
- Length of top rail: 223 mm
- Length of right rail: 223 mm
- Length of left rail: 223 mm
- Length of bottom rail: 223 mm
- Material: Aluminum
- NATO Accessory Rails: 4
- Part number: BT-21561
- Treatment: Hartcoat anodized
- Weight: 696 g
- Width max: 61 mm
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The staff was super helpful checking to make sure the part would fit. We learned before I bought it...
The staff was super helpful checking to make sure the part would fit. We learned before I bought it since my M1 had the fixed small sights, I would need to machine some of the area inside the handguard to clear the rear sight. It only took about an hour and the fit and finish is perfect. Now I am able to mount optics and a light as well has a front hand hold that doubles on a button as a bi-pod. I could not be happier with the product!