Gunsmithing KAC IRX 3.1 HELP!

[Muhmos]

Hey,
So I've got this URX 3.1 style rail system but it doesn't have an under barrel rail. I want to attach a foregrip to my gun but again it's got no rails. Anyone know how and what rails I can install on it?

 

[LSUbeatUby40]

Hey,
So I've got this URX 3.1 style rail system but it doesn't have an under barrel rail. I want to attach a foregrip to my gun but again it's got no rails. Anyone know how and what rails I can install on it?

This is what you need. Keep in mind it only covers two of the predrilled holes so you need two for the bottom, two for the left and two for the right.

https://shop.knightarmco.com/ProductsList.aspx?CategoryID=-2&txtSearch=67

 

[chrismartin]

Operation Parts is also a good source for all KAC parts.
Also, they have hand guard panel kits (plastic "bars" for the bottom and sides) that have hand stops and such if you are looking for that sort of item rather than just a vertical grip.

KAC-Knight's Armament URX 3.0 & 3.1 8 Rib Rail Section Kit, Black Aluminum

Bolts to the side of Knight's Armament URX 3 and 3.1 rails. -Made of Aluminum, also available in Plastic

www.operationparts.com

Panel kit (long)

KAC-Knight's Armament Panel Kit, Long URX 3 & 3.1

URX3.1 Long Panel Pack Consisting of: 2 - 5.5" Panel 1 - 4" Panel 1 - 4" Panel w/Handstop

www.operationparts.com

They make several panel kits depending on length of the rail system.

These are for the URX 3.1. However, the 3.1 has rail sections at the front of the rail (sides and bottom). I'd have to assume you want a grip further back?