Command Arms polymer picatinney rail system that adds two 2.5" long rails at 45 degrees. Versatile rail mounted option for original polymer handguards on AR15 rifles. Easily mount lights or lasers on original style AR15 handguards. Mounting hardware is included. Made in Israel.

Features:

• Front and rear picatinny rail
• Eliminated center of top rail for weight reduction
• Indexing grooves in 12:00 position for positive grip control
• Quick disconnect sling socket at the 3, 6 and 9 o’clock positions
• Compatible with low profile gas blocks
• 1.3” Inside diameter
• 1.5” Outside diameter
• Compatible with mil-spec AR15 upper receivers and barrels

Features:

• Front and rear picatinny rail
• Eliminated center of top rail for weight reduction
• Indexing grooves in 12:00 position for positive grip control
• Quick disconnect sling socket at the 3, 6 and 9 o’clock positions
• Compatible with low profile gas blocks
• 1.3” Inside diameter
• 1.5” Outside diameter
• Compatible with mil-spec AR15 upper receivers and barrels

Knights Armament URX 4 rail system features the universal keymod mounting system that substantially decreases weight and bulk, while still retaining the modularity of the older picatinny style rail system. Features Knights integrated barrel nut. Includes shim set and wrench. 14.5" length.

Features:

• Front and rear picatinny rail
• Eliminated center of top rail for weight reduction
• Indexing grooves in 12:00 position for positive grip control
• Quick disconnect sling socket at the 3, 6 and 9 o’clock positions
• Compatible with low profile gas blocks
• 1.3” Inside diameter
• 1.5” Outside diameter
• Compatible with mil-spec AR15 upper receivers and barrels

The Aero Precision Quantum Series M-LOK 15 inch Handguard minimizes bulk while providing an adaptive free float design that is big on features. With multiple mounting options, this affordable, rigid system can adapt to any mission. Machined to exacting dimensions from 6061-T6 aluminum it is the perfect handguard for your next AR15 build.

Features:

• Designed to work with our M4E1 Upper Receiver
• 1pc free float design
• Removable 4-slot picatinny rail section for front sight
• Built in anti-rotation tabs
• 8 mounting surfaces for M-LOK accessories
• 1.78" inside diameter fits most muzzle devices and 1.5" suppressors
• Compatible with low profile gas blocks
• Made in the USA

Are you attaching this handguard to a standard threaded upper receiver?

A BAR Barrel Nut with shims is included. This handguard uses the BAR interface and do not work with a standard barrel nut. If you are using our M4E1 Enhanced Upper Receiver, no additional pieces are needed.

The Aero Precision Quantum Series M-LOK 9 inch Handguard minimizes bulk while providing an adaptive free float design that is big on features. With multiple mounting options, this affordable, rigid system can adapt to any mission. Machined to exacting dimensions from 6061-T6 aluminum it is the perfect handguard for your next AR15 build.

Features:

• Designed to work with our M4E1 Upper Receiver
• 1pc free float design
• Removable 4-slot picatinny rail section for front sight
• Built in anti-rotation tabs
• 8 mounting surfaces for M-LOK accessories
• 1.78" inside diameter fits most muzzle devices and 1.5" suppressors
• Compatible with low profile gas blocks
• Made in the USA

Are you attaching this handguard to a standard threaded upper receiver?

A BAR Barrel Nut with shims is included. This handguard uses the BAR interface and do not work with a standard barrel nut. If you are using our M4E1 Enhanced Upper Receiver, no additional pieces are needed.

The Ergo 6" 14 Slot Polymer rail is easily adaptable to fit most rifles and shotguns. Uses standard Picatinny style M1913 rail. Will fit vent hole spacing on AR-15 handguards. Includes Ergo LowPro rail cover.

The ERGO Z Rail System is a two-piece, light weight quad rail that replaces your standard carbine length handguard to allow for the customization of mounting various forend accessories such as lights, lasers, vertical grips, and flip-up sights. Includes ERGO LowPro Rail covers.

The Ergo Universal Mounting Platform (UMP) uses a standard M1913 Picatinny rail for mounting a variety of accessories. Includes LowPro rail covers and socket head mounting bolts with flat nuts for an unobtrusive mount. Anodized flat black aluminum. .400" high from bottom to top of base.

The Ergo Z-FLOAT free floating quad rail is made from machined and anodized aluminum. The four - rail system provides for an array of opportunities for mounting accessories such as lights, lasers, foregrips, and flip-up sights. Does not include handguard cap. Compatable with Adams Arms Piston System. Requires removal of delta ring.

The Ergo Z-FLOAT free floating quad rail is made from machined and anodized aluminum. The four - rail system provides for an array of opportunities for mounting accessories such as lights, lasers, foregrips, and flip-up sights. Includes handguard cap. Compatable with Adams Arms Piston System. Requires removal of delta ring.

The Ergo Ultra Lite Slim 2-Piece Keymod Rail System is a drop in replacement for AR style rifles. Machined from 6061-T6 aluminum and weighing less than the standard M4 plastic handguards, the Ergo Keymod Rail features a standard M1913 picatinny rail up top and Keymod slots on both sides and bottom for mounting accessories as needed. Easy to install with no special tools required, simply remove the plastic hand guards, replace with the separate halves of the Ultra Lite Slim KeyMod and tighten the four included screws.

Knights Armament URX 4 rail system features the universal keymod mounting system that substantially decreases weight and bulk, while still retaining the modularity of the older picatinny style rail system. Features Knights integrated barrel nut. Includes shim set and wrench.