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CAA Airsoft M4S1 Handguard Rail System (Color: Black)

2 Customer Reviews

by Michelle R. on 03/14/2014
"This is a very nice rail system for those of you who have m4s with the standard m16 guard. This system allows the operator to have rail system on the front of his or her weapon while still maintaining the weight of a standard handguard. If you have an m4 that is 6.5in (16.51cm) you may have to shave some of the rings down (the half circles that hold the handguard on that are on the rail system NOT the delta rings). Also when it comes to attaching the rails to the guard if your gun is not from CAA you will have to cut off this talon thing that sticks up from the bottom (Duck bill pliers recomended). I had to do both of these with my KWA CQR. But now Pros and Cons.

Light and Durable
plenty of rail space for attachments
solid (no movement what so ever when mounted)
removable rails
Adds a nice twist to the look

No space for battery, peq OR rearwiring required
Modification required for some.
by John S. on 03/12/2017
"Did not fit into a standard M-4 in the standard had guard position. Even if I broke everything down and adjusted for maximum length of the hang guard mount areas. Simply was made nearly a full inch too large.