MODIFY PP-2K MP5 Adapter

$119.99

PRO Adapter

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

Carbon Fiber

Built to last. Specialized production takes more time, its durability speaks for itself. Includes a 1-Year Standard Warranty.

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 1/2-year US | 90-days International Learn more..

Free US Shipping On Orders Over $99 With Code "Freeship"
Proudly Made in the US 1-Year Warranty + Lifetime Support *

Product Details

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MODIFY PP-2K MP5 Adapter Details

TAPP HPA Adapter

Use regular AEG mags in your GBB. Powered by High Pressure Air (HPA)

Pre-Built, Plug-and-Play, the Gas Blow Back HPA Adapter!

Concepted, Designed, Assembled, MADE in USA

Features:

– Use standard AEG magazines (M4, MP5, Drum, etc. ) in your GBB platform

– HPA powered, we suggest 150 max, recommended PSI: 150 max, recommended 120. (HPA kit not included: tappairsoft. com/hpa)

– One-Piece Magazine-Adapter Design for better functionality and performance:

– Advanced BB feeding/retention system to prevent wasting ammo and more mag compatibility

– Single stack BB flow from source to feed lip (No insert or double stacking)

– No connection between magazine and adapter (Less o-rings, better air seal)

– SLS Nylon PA12 with the option of upgrading to PA11 Carbon Fiber material for lightweight durable construction

What‚is included:

– The whole nine yards; Tapp adapters come fully assembled, no need to sacrifice an existing magazine for parts

– HPA Foster Fitting (US Spec)

– Multiple gas route gaskets (swap and test for best adapter to nozzle air seal)

We don’t want our customers to make a mistake during installation, so we do it for you. Because of this, we include a 30-day warranty for the entire adapter.

We also offer lifetime support for technical issues and replacement parts (fees apply).

Compatibility: MODIFY PP-2K

Key Features:
Material: 3D printed in Nylon PA12 with the option of upgrading to PA11 Carbon Fiber.
Strength & Stiffness: High strength-to-weight with excellent heat resistance.
Precision Fit: Additive manufacturing ensures consistent tolerances and surface finish.

CARBON FIBER. CARBON FIBER.
CARBON FIBER.


Strength you can feel. Weight you barely notice. Precision that defines performance.
Matte black, rigid, and ready — engineered for those who demand more than plastic.

Unmatched Strength and Rigidity

Up to 38% Higher Tensile Strength – 69 MPa vs. 50 MPa for Nylon 12, giving parts more load-bearing capability.
Nearly 3× Stiffer – With a tensile modulus of 5.3 GPa (vs. 1.9 GPa), PA11 CF parts hold their shape under pressure and stress.
Over 65% Greater Flexural Strength – 110 MPa vs. 66 MPa for Nylon 12 means stronger parts that won’t bend or deform.

Superior Heat and Environmental Resistance

Designed for high-temperature applications where Nylon 12 softens or degrades.
Carbon fiber reinforcement improves thermal stability and lowers thermal expansion for precision even under heat.
Naturally resistant to moisture and UV exposure, ideal for rigorous outdoor use.

Professional Finish and Lightweight Design

Carbon fiber infusion produces a sleek matte black surface — functional and aesthetic right off the printer.
Delivers metal-like strength at a fraction of the weight, enabling lighter, more efficient assemblies.

Designed for High-Pressure HPA systems

Lightweight carbon fiber composite reduces load without sacrificing strength or rigidity.
Tested for durability across extreme temperature and humidity conditions to ensure reliable field performance.

Rigid Carbon Fiber Structure

Low expansion under heat preserves airseal integrity during rapid-fire or sustained full-auto use.
Machined precision surfaces ensure smooth magazine insertion and consistent alignment with feed paths.

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

1 Year Warranty + Lifetime Support

All Tapp Airsoft products include a 1-year 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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