

The C4 I picked up for it wasn' t brand new - I bought it used from a member on M4C and even used, it was still 100% GTG. I have my C4 cutout mounted on a SOLGW FSP upper. I' m a fan of quad rails, and Centurion makes the best 2 piece quad rail.


Screws are included with the purchase of all rail systems. Length: Top 7.25 in Sides 9.5 in Bottom 8 inįasteners: grade 8 bolts with phosphate finish Weight: 10.5oz with screws-1.1oz more with standard barrel nut **Please Note: Current version of the rail has some slight cosmetic differences from stock photosĮngraving is now machine engraved and black anodized.no white markings. **Please note that some FSBs may need to be modified to fit by filing down the longer sling attachment ears so that they are not touching the handguard This design allows the installation of the rail on an upper assembly without removing the front sight post or permanently attached muzzle devices. The C4 system is the lightest and most rigid rail that clamps to a standard barrel nut on all AR15, M4, and M16 type weapons systems.
#Quad rail handguard for mid length ar15 free#
The Centurion patented C4 rail system is a lightweight, rugged, 2 piece free float rail that when installed gives the uppers a continuous 12o'clock rail.
