SRC ZAROS SR4 M4 Adapter

$199.99

PRO Adapter

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

You May Also Like

Reviews

SRC ZAROS SR4 M4 Adapter Details

SRC ZAROS SR4 M4 Adapter

The TAPP SRC ZAROS SR4 M4 Adapter lets you use M4 AEG magazines, enhancing capacity and reload speed. Designed and built in the USA, it offers HPA compatibility and seamless integration.

Key Features:

M4 Magazine Compatibility: Expands mag options and improves reload efficiency.

HPA Powered: Optimized for 150 max, recommended PSI: 150 max, recommended 120 (HPA kit sold separately).

One-Piece Adapter Design: Ensures consistent, smooth BB feeding.

Durable Construction: Rugged SLS Nylon PA12 with the option of upgrading to PA11 Carbon Fiber build.

Plug-and-Play Installation: Pre-built and ready to go.

What‚is Included:

Fully Assembled Adapter with HPA foster fitting.

Compatibility: SRC ZAROS SR4

*PRO Version pictured

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

Reviews

    Only logged in customers who have purchased this product may leave a review.

    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.
    ×

    Find Your Adapter

    Use the dropdowns below to locate your adapter.

    Need Help Identifying Your Adapter?

    Leave us your info and an optional photo — we’ll help identify the correct adapter for you.