King Arms AS-VAL AEG M4 Competition Adapter

$59.99

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

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King Arms AS-VAL AEG M4 Competition Adapter Details

King Arms AS‑VAL AEG M4 Competition Adapter

Upgrade your King Arms AS‑VAL AEG for competitive dominance with the TAPP M4 Competition Adapter — now precision 3D printed in Nylon PA11 Carbon Fiber for exceptional strength, lightweight agility, and long‑term durability.
Engineered for speed and reliability, this adapter converts your AS‑VAL to run M4 AEG magazines and features a flared magwell to dramatically streamline reloads and maintain momentum in competitive play. Proudly designed and built in the USA, it offers a seamless, plug‑and‑play installation with no modifications required.

Key Features:
– Carbon Fiber Reinforced Construction: Crafted from advanced Nylon PA11 Carbon Fiber for superior rigidity, impact resistance, and long‑lasting performance under competitive stress.
– M4 Magazine Compatibility: Converts your King Arms AS‑VAL AEG to use standard M4 AEG magazines for greater capacity and faster reload times.
– Flared Competition Magwell: Designed for rapid, precise magazine insertion — reducing reload time and keeping you in the action.
– Optimized Reload Flow: Engineered to guide magazines cleanly into place, minimizing fumble time during intense matches.
– Precision One‑Piece Design: Provides consistent feeding and stable fitment for reliable performance round after round.
– Lightweight & Rugged Build: Carbon fiber composition offers ideal balance between resilience and mobility for fast‑paced gameplay.

What’s Included:
– Fully Assembled Adapter: Pre‑built and ready for immediate field use — no additional fitting or tuning required.

Proudly made in the USA and backed by a 30‑day warranty with lifetime technical support. Replacement parts available (fees may apply).

Compatibility: King Arms AS‑VAL AEG

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.

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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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