Rainier Industries Pro Series line of rails were designed for the hard use, professional end-user. To achieve this, we designed it an extended aluminum barrel nut and larger stainless steel mounting lugs for better rigidity to maintain a mechanical zero. The Pro Series Quad rail built to stand up to the rigors and demands of what your duty weapon requires.

Pro Series Quad Rail Features:

• CNC machined 6000 series extruded Aluminum
• Hard Coat Anodized Milspec Type III, Class 2 Black
• Barrel Nut is 7075 Aluminum, steel wrench and mounting hardware included
• No Barrel nut shims required for installation
• 1.31" interior diameter, 2.2” x 1.97” outer dimensions
• Full length picatinny rails with laser engraved position marks at the 3, 6, 9 and 12 o’clock positions
• Compatible with most known low profile non-adjustable and adjustable gas blocks
• Made & Assembled in USA

Weight:

• 9.55" - 16.1 oz
• 11.75" - 19.2 oz
• 12.55" - 20.2 oz