AR-15 M4/M16 Accessories
Carbine length M4 replacement forend rail system. 
System adds four mil-spec Picatinny rails for versatile accessory applications. 
Precision machined from 6061 T6 billet Aluminum for Maximum strength. 
Fully rugged construction will not bend or deform under any condition. 
Field tested under extreme conditions for maximum performance and durability. 
Hard coat anodized for optimum wear resistance. Simple installation, replace your polymer hand guards and secured by 4 bolts. Rail system firmly locks to the barrel nut and front Hand guard Cap. No gunsmith required. System aligns perfectly upper receiver rail. Receiver alignment is achieved by implementation of anti-rotation locking tabs. Slim profile for better grip and handling of the firearm.
Two piece handguard for M4 & AR15/M16 carbine rifles is designed to replace your standard plastic handguard with our 4 rail Picatinny design. Simply remove your existing handguard panels and insert these in their place. No gunsmithing required. The bottom rail removes easily to accommodate accessories such as grenade launchers, flare launchers and shotguns. 
 
Constructed of aviation grade 6061 aluminum using CNC machinery, lightweight, type 2 class III hardcoat anodized.
 
4 Sided 2 Piece Picatinny Rail System.
Top Rail Is In Line With Flat-Top Of Weapon Receiver
Very Secure, No Movement
Type 2 Class III Hard coat Anodized.
CNC Machined
6061 Aircraft Grade Aluminum
No gunsmithing required, 4-rail mounts just like factory hand guards.
Lifetime Warranty 
The ultimate rail system for the M4! 
Due to the unique front sight mounting system, provides maximum accuracy & stability, during the toughest 
workout of your weapon.
Four fixed rails - provide a solid platform for mounting accessories.
Two fixed front sight mini rails - allow mounting of lights/lasers.
Top rail is parallel to flat top rail, ideal for mounting optics.
Easily installs, using existing delta ring & tightens to the front sight. Utilizing 6 screws to eliminate movement & maintain a consistent zero.
No gunsmith required • Mill-standard 
Warranty: lifetime
 
For M16 Carbine
 
Material: Aluminum
 
Measurements:
Weight (oz) 11.111
Height (in) 1.968
Length (in) 9.291
Width (in) 2.834
Rails Total 6
 
The ultimate rail system for the M16 rifle! 
Due to the unique front sight mounting system, provides maximum accuracy & stability, during the toughest 
workout of your weapon.
 
Four fixed rails - provide a solid platform for mounting accessories.
Two fixed front sight mini rails - allow mounting of lights/lasers.
Top rail is parallel to flat top rail, ideal for mounting optics.
Easily installs, using existing delta ring & tightens to the front sight. Utilizing 6 screws to eliminate movement & maintain a consistent zero.
No gunsmith required • Mill-standard 
Warranty: lifetime
 
For M16 Rifle
Material: Aluminum
Measurements
Weight (oz) 19.224
Height (in) 2.755
Length (in) 14.763
Width (in) 2.047
Rails Total 6
 
NFR Aluminum Quad Rail  $159.75, $218.35, $253.00
Sizes
MD-QR1 Aluminum Quad Rail  $119.85
X6L  Aluminum Quad Rail w/Covers $339.69
X6 Rail System   $229.49
Colors
Additional Rails
Grips, etc.
Made in USA rails
Shoot 3-Gun or want to make your AR platform a little more accurate? Then check out the Dueck Defense RTS and CMC Trigger Groups!