Forward Controls Design
Forward Controls Design RHF4 AR-15 Free Float Quad Rail Handguard
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MSRP: $264.05 – $312.05
Price range: $250.95 through $296.95
Forward Controls Design RHF4 AR-15 Free Float Quad Rail Handguard
We have long been fans of the classic KAC RAS since the early 2000s. Throughout the years, we’ve seen trends toward lighter, small-diameter, and rails-only hand guards where you want them. This was before the advent of Keymod and MLOK. Then, the quad rail made a comeback. We don’t follow trends for many reasons, chief among them is that practical designs aren’t subject to ever-changing fads that, in our opinion, are quite aimless. Practical and durable designs are always helpful, regardless of which way the wind blows.
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We’ve stayed with hand guards with 1913 rails in four quadrants for their versatility, and we weren’t concerned with the then-popular, now less-popular ways of using the support hand to grasp the hand guard, which called for a smaller diameter.  Quad rails still offer the most versatility and rigid means of attaching Picatinny-based accessories.
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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.
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RHF4 comes in two lengths, 11.5″ and 9.5″. It is a quad-rail handguard based on the successful Centurion Arms C4 rail system. It is a lightweight, rugged, 2-piece free float rail that provides a continuous 12 o’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 AR-15, M4, and M16-type weapons systems. This design allows installing the rail on an upper assembly without removing the front sight post or permanently attached muzzle devices.
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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 that 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.
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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
**Does not include a barrel nut. This product clamps onto your existing mil-spec/GI barrel nut.**
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 scooped-up area is where RHF4’s anti-rotation tabs need to flank.
| Weight | 10.496 oz |
|---|---|
| Handguard Length | 11.5", 9.5" |
| Length | 11.5, 9.5 |
| Color | Black, FDE |
| Rail system | Quad Rail |
| Profile | Free Float |
| MPN | RHF4, 11.5, BLACK,RHF4, 9.5, BLACK,RHF4, 9.5, FDE,RHF4, 11.5, FDE |
| UPC | 5548,686162347841,687408648593,687408648586 |
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.
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