SRC ZAROS SR4 M4 PRO Adapter

$278.99

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

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SRC ZAROS SR4 M4 PRO Adapter Details

TAPP SRC SR4 ZAROS M4 PRO Adapter

The TAPP SRC SR4 ZAROS M4 Pro Adapter upgrades your Zaros platform by enabling the use of M4 AEG magazines, combining increased ammo capacity with tournament-ready feeding performance. This Pro Adapter integrates cleanly with the SR4 design, featuring a one-piece, low-profile construction and advanced BB feeding system. Proudly built in the USA, this HPA-powered adapter ensures smooth operation under pressure, maximizing your CQB or field presence.

Key Features:

M4 Magazine Compatibility: Convert your SRC SR4 ZAROS to accept M4 AEG magazines for more flexibility and faster reloads.

HPA Powered: Tuned for 150 max, recommended PSI: 150 max, recommended 120 operation, delivering consistent output (HPA kit available separately at tappairsoft. com/hpa).

One-Piece Pro Design: Engineered for smooth, jam-free BB flow with a streamlined fit.

3D-Polymer Feedlips: Offers improved strength and durability over OEM feedlips for superior field reliability.

Plug-and-Play Installation: Ships pre-assembled and ready for action—no modifications needed.

Durable Construction: Made from lightweight, battle-tested SLS Nylon PA12 with the option of upgrading to PA11 Carbon Fiber.

What‚is Included:

Fully Assembled M4 PRO Adapter: Ready to use out of the box.

HPA Foster Fitting (US Spec): Ensures secure air connection for HPA users.

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: SRC SR4 ZAROS

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).

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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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