Will this rail work on a PE 90 Black Special?
Just in after waiting over a year...but it was worth it! These are the factory Sig Quad Rails...they represent in our professional opinion one of the finest Picatinny Rail Accessory Forearms ever produced! True Swiss precision and ultra craftsmanship. It is the single MUST HAVE item for your Sig 556 carbine!
Every bit of this unique style and totally 100% functional forerail system at the 12:00, 3:00, 6:00, and 9:00 positions brings the 556 carbine into the 21st century, allowing it to be equipped with a wide variety of optics, sights, lasers, IR, white lights, and vertical forearm grips. Manufactured of the highest grade aluminum with a finish that might even best the rifle itself! Clearly marked with Picatinny Rail positions from 1-23 on 3 rails and 1-19 on bottom rail, allowing for numerous and precise mounting positions for the operator.
Rugged construction and 2-piece simplistic mounting (by qualified individuals) allows for the most use of any rail system in production today! Comes with detailed mounting instructions which are clear and precise.

Just in after waiting over a year...but it was worth it! These are the factory Sig Quad Rails...they represent in our professional opinion one of the finest Picatinny Rail Accessory Forearms ever produced! True Swiss precision and ultra craftsmanship. It is the single MUST HAVE item for your Sig 556 carbine!
Every bit of this unique style and totally 100% functional forerail system at the 12:00, 3:00, 6:00, and 9:00 positions brings the 556 carbine into the 21st century, allowing it to be equipped with a wide variety of optics, sights, lasers, IR, white lights, and vertical forearm grips. Manufactured of the highest grade aluminum with a finish that might even best the rifle itself! Clearly marked with Picatinny Rail positions from 1-23 on 3 rails and 1-19 on bottom rail, allowing for numerous and precise mounting positions for the operator.
Rugged construction and 2-piece simplistic mounting (by qualified individuals) allows for the most use of any rail system in production today! Comes with detailed mounting instructions which are clear and precise.