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Forward Controls Design RHF4 AR-15 Free Float Quad Rail Handguard

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MSRP: $244.05 – $264.05
From $231.85

SKU: forward-controls-design-rhf4-quad-rail Categories: , ,
Description
We have long been fans of the classic KAC RAS since the early 2000s.  Throughout the years, we’ve seen trends for lighter, small diameter, and rails-only-where-you-want-them hand guards, this was before the advent of Keymod and MLOK.  Then quad rail made a comeback.  We don’t follow trends for many reasons, chief among them is practical designs aren’t subject to ever change fads that are quite aimless in our opinion, practical and durable designs are always useful, regardless of which way the wind blows. 
 
We’ve stayed with hand guards with 1913 rails in four quadrant for their versatility, and we weren’t concerned with the then popular, now less popular ways of using the support hand to grasping the hand guard, which called for their being of smaller diameter.   Quad rails still offer the most versatility and rigid means of attaching Picatinny based accessories.
 
While we do offer MLOK hand guards (RHF, with 1913 rails on top, and MLOK at 3, 6, and 9 o’clock), a quad rail hand guard is what we’ve always wanted.
 
RHF4 comes in two lengths, 11.5″ and 9.5″, it is a quad rail hand guard based on the successful Centurion Arms C4 rail system.  It is a lightweight, rugged, 2 piece free float rail that provides a continuous 12o’clock rail when installed on the upper receiver.  Like the C4 system, RHF4 is a rigid rail that clamps to a standard barrel nut on all AR15, M4, and M16 type weapons systems. This design allows the installation of the rail on an upper assembly without removing the front sight post or permanently attached muzzle devices.
 
RHF4 incorporates Forward Controls design input: Omission of built-in QD swivel attachment points.  Some like the now common front and rear located QD sockets, we prefer the location of the front sling attachment be left to individual users.  A BCM rail mounted QD sling adapter is included (the QD sling adapter can be removed in the drop down menu if you don’t need it, or already have one, please see the QD sling adapter drop down menu).  The rail numbers are machine engraved, and a subdued Cygnus is engraved on the right side of the RHF4.
 
 
RHF4 has KAC rail panel clip cutouts in front and back.
 

 

Features

• Material: 6061 T6

• Finish: : type 3 hard coat anodized

• Weight: RHF4 11.5: 12.4oz with screws—1.1oz with standard barrel nut.  RHF4 9.5: 10.5oz with screws—1.1oz more with standard barrel nut

• Length: RHF4 11.5: Top and sides: 11 1/2in.  Bottom: 10 5/8in.  RHF4 9.5: top 7.25 in Sides 9.5 in Bottom 8 in

• Width: 2.1in

• Height: 2.38

• Inside diameter: 1.37

• Rails: 1913 spec rail

• Fasteners: grade 8 bolts phosphate finished

• MADE IN USA

• Rails: 1913 spec rail

RHF4 installation directions can be found here (a hard copy is included with RHF4).

NOTE: RHF4 is incompatible with BCM’s Mk2 upper receivers without modification to the RHF4’s anti-rotation tabs, or to the upper receiver itself.
The scoffed up area is where RHF4’s anti-rotation tabs need to flank.
Additional information
Weight N/A
Dimensions N/A
Handguard Length

11.5", 9.5"
Color

Black, FDE
P65 Warning Message
P65 Warning Message

Compliance

NFA (National Firearms Act) compliance is crucial for legal ownership and transfer of regulated firearms and accessories like short-barreled rifles, suppressors, and certain types of ammunition, ensuring adherence to federal regulations to avoid legal penalties and ensure responsible firearm ownership.