WE M4 Open Bolt M4 Adapter

$149.99

PRO Adapter

One-Piece, Low-Profile, CNC Feed Nozzle, and Advanced BB-Tech. Learn more..

TAPP x Wushu HPA Grip

Carbon Fiber grip with HPA line routing channel. Learn more..

Carbon Fiber

Built to last. Carbon Fiber infused. Its durability speaks for itself.

Cerakote Color

Default is Grey, no Cerakote applied. Learn more..
*Drum body not cerakoted.

None Graphite Black +$39 USMC Red +$39 NRA Blue +$39 Multicam Bright Green +$39 Magpul Flat Dark Earth +$39 Bright White +$49 Gold +$49 Prison Pink +$49 Bright Purple +$49 Burnt Bronze +$49 Custom. Enter Cerakote Item ID in Checkout Notes. i.e. A-123 +$99

Extended Warranty

Extended 1-year US | 90-days International Learn more..

Free US Shipping On Orders Over $99 With Code "Freeship"
Proudly Made in the US 30-Day Warranty + Lifetime Support *

Product Details

Warranty/Support

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WE M4 Open Bolt M4 Adapter Details

WE M4 Open Bolt M4 Adapter

The WE M4 Open Bolt platform is recognized for its versatility and broad compatibility across various airsoft brands and platforms. The TAPP WE M4 Open Bolt M4 Adapter further enhances this platform by enabling the use of M4 AEG magazines, significantly increasing your magazine capacity and improving reload efficiency. Designed and built in the USA, this pre-built, plug-and-play adapter ensures your WE M4 is always ready for extended engagements, offering seamless integration with higher-capacity magazines.

Key Features:

M4 Magazine Compatibility: Adapt your WE M4 Open Bolt to use M4 AEG magazines, providing increased capacity and smoother reloads, ideal for extended skirmishes.

HPA Powered: Optimized for 150 max, recommended PSI: 150 max, recommended 120, this adapter ensures consistent and reliable performance, keeping your WE M4 ready for any scenario (HPA kit available separately at tappairsoft. com/hpa).

Enhanced Tactical Flexibility: With compatibility across a wide range of platforms, this adapter adds versatility to your loadout, allowing you to adapt to various combat scenarios with ease.

One-Piece Magazine Adapter Design: Specifically engineered to improve the overall functionality and reliability of your WE M4, providing a smooth and efficient reloading experience.

Durable Construction: Made from lightweight, durable SLS Nylon PA12 with the option of upgrading to PA11 Carbon Fiber material, this adapter is built to withstand the demands of intense airsoft action.

What‚is Included:

Fully Assembled Adapter: The TAPP WE M4 Open Bolt M4 Adapter comes pre-built and ready to use, with no need for additional modifications or sacrifices to existing magazines.

HPA Foster Fitting (US Spec): Ensures a secure and reliable connection, keeping your focus on the action.

Proudly made in the USA, this adapter is backed by a 30-day warranty and lifetime technical support, with access to replacement parts (fees may apply).

Compatibility: WE M4 Open Bolt and other platforms compatible with WE M4 magazines.

HIGH-PERFORMANCE MATERIAL

CARBON FIBER.
CARBON FIBER.
CARBON FIBER.

Strength you can feel. Weight you barely notice. Precision performance. Engineered for those who demand more than plastic.

Unmatched Strength

• 38% Higher Tensile Strength
• 3x Stiffer than Nylon
• Won't deform

Superior Resistance

• High-Temp Ready
• Thermal Stability
• UV & Moisture Resistant

Pro Finish

• Sleek Matte Black
• Metal strength, plastic weight

HPA Optimized

• Lightweight composite build
• Tested for field durability

Rigid Structure

• Perfect Airseal Integrity
• Smooth mag insertion

Advanced Finishing

Custom Cerakote & Precision Coatings

Our in-house finishing delivers Cerakote and precision laser engraving with exceptional durability and style. Every surface is treated, coated, and inspected to ensure flawless performance and lasting quality.

Start Your Project
Custom Cerakote Precision

30 Day Warranty + Lifetime Support

All Tapp Airsoft products include a 30-day warranty. We also offer lifetime support for technical issues and replacement parts (fees apply).

Reviews

1 review for WE M4 Open Bolt M4 Adapter

  1. Jonathan S

    I’m had a misunderstanding about the wait , and TAPP airsoft was fast to help me , both with tracking down my order and letting me know about its whereabouts , very professional and patient custom support ,will definitely order more off of this site

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Carbon Fiber Nylon 11

PRO ADAPTER

Designed for added Performance, Ergonomics and Aesthetics.

+Low-Profile

20-80% Condensed Dimensions

We've designed each system to create the sleekest profile.
+Strength

CNC Feed Nozzle

Areas under repeated use or load have been upgraded with replaceable CNC parts.
+Feeding

0.01mm Precision Tolerances

BB-Stop tech optimized for flow and consistency.
+Straighter Alignment

Individually Designed

Drums and mags are positioned to give a “meant-to-be-there” feel.
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