Free Shipping on Orders Over $99 with Coupon Code: FREESHIP*.  Orders will usually shipout within 2 business days.

JBU Tactical M4A1 Carbine Length Drop-In Accessory Quad Rail - 6.5" Inch

SKU: ACC-SDJB19 JBUOut of stock

  • Full metal construction
  • CNC-machined design
  • Quick and easy installation
  • 24 inches of rail space
  • Compatible with most M4 type AEGs


JBU Tactical M4A1 Carbine Length Drop-In Accessory Quad Rail - 6.5" Inch

This NEW tactical drop-in rail system by JBU is crafted out of full metal and comes with four integrated rails for attaching your choice of accessories, including tactical foregrips, flashlights and laser units. This durable and lightweight rail system replaces your existing M4 AEG's standard handguard. Because of its “drop-in” design, this rail system is extremely easy to install. This tactical RAS easily slides into the forward handguard cap and clamps around the barrel nut ring, replacing your existing standard handguards. Once in place it is secured tightly to your AEG with four steel screws—no special tools are required for installation. This quad rail is extremely lightweight but sturdy thanks to its CNC-machined design, making it an ideal upgrade for your M4 AEG. As an added benefit, this tactical RAS can also accept quick-detach sling swivel mounts, with four different areas of placement along the sides.

This 2-piece RAS comes everything you need for installation which includes the four screws and the upper/lower assembly. The JBU Tactical RAS is compatible with most metal gearbox M4 length AEG rifles and allows you to convert your standard handguard into a modular rail system in less than five minutes!

NOTE: This rail system is not guaranteed to fit all M4 AEGs. Please check your M4 AEG for compatibility before purchase.

In the Box

RAS (upper and lower assembly)

4X metal screws


Length 6.5” in.
Construction Aluminum
Compatibility Most metal gearbox M4 AEGs
Weight 8.8oz

California Proposition 65 Warning: Cancer and Reproductive Harm -

JBU Tactical M4A1 Carbine Length Drop-In Accessory Quad Rail - 6.5" Inch Quick Compare

This feature is currently unavailable.

Rate & Write a Review


Rate & Write a Review

Product name Q&A


Click on link to download:

Connect with us.