AIRSOFTCON 2026 - October 17, 2026

» » »

Slong Airsoft M4 Barrel Extension for 14mm Negative Threaded Barrels
(Color: Gold)

ID: 40315 (BRL-Slong-SL00351B)

Tap or click above to open expanded view

$18.00

Airsoft Authority Since 2001
Serving enthusiasts for over 25 years

Industry-Leading Warranty
Buy with confidence - 90 day warranty

Ships Fast from US Warehouses
Free shipping over $149 in lower 48 states

Order within 6 hours 44 minutes Receive as soon as Mon Aug. 3

Color Options:

Color

Description

Specs

Reviews

Find in Store

Features

Durable full aluminum construction
Threads on easily to 14mm Negative barrels to extend them by 117mm
14mm negative threading is widely compatible with a variety of airsoft flash hiders, mock suppressors, and tracer units
Perfect for extending a Mk18/CQBR 10" barrel to a full 14.5" M4 length

Manufacturer: Slong Airsoft

Length: 117mm (Approx 4.5")
Threads: 14mm Negative (CCW)
Material: Aluminum

(Write a review)

There are currently no product reviews.

Evike.com Online Store

In Stock

Evike.com Superstore

2801 W. Mission Rd., Alhambra, CA 91803

In Stock

Have an urgent question about this item? Contact us, our resident experts are standing by to answer your questions!

Warning: California's Proposition 65

Did you find this product somewhere else for cheaper? Request a price match.

Customers who bought this also purchased

Parts and accessories may not be compatible with the product displayed on this page. For compatible parts/accessories, see the You May Also Need section and please verify details on the product description page.