Cross Machine Tool HDM ARCA Swiss Style 13" Free-Float Handguard Rail

Cross Machine Tool HDM ARCA Swiss Style Rail This rail system is designed not only to provide you with tons of Picatinny rail surfaces but also to allow you to mount ARCA/Swiss tripod and bipod systems to your AR-style rifle. The overall shape of the rail has also been enhanced to make it easier to shoot from a rest or bag, making it a great choice for those looking to get maximum accuracy from their rifles. Features Rail- 6000 series extruded Aluminum Mil-Spec Type 3 Class 2 Hard Black anodized Barrel Nut- 7075 Aluminum Type 3 Class 2 Hard Anodized 17-4PH Cored Stainless Steel Rail mounting attachment- Patented Time to the upper receiver to prevent twisting. ARCA Swiss profile rail integrated into the handguard at the 6 o'clock position Free-floating, shim-free installation M-LOK Slots at the 1/3/6/9/11 o'clock positions Includes barrel nut wrench Barrel Nut diameter- 1.378" Compatible with most known low-profile gas blocks Made & Assembled in the USA This high-quality aluminum rail is awesome for folks looking for lightweight, durable solutions for mounting accessories to their AR in a way that maintains zero if mounted correctly, and who want to mount compatible bipods.