Product Details
Warranty/Support
You May Also Like
Reviews
HFC Flintlock M4 Competition Adapter Details
HFC Flintlock M4 Competition Adapter
Give your HFC Flintlock a competitive edge with M4 AEG magazine compatibility and a flared magwell for faster reloads—now 3D printed in Nylon PA12 with the option of upgrading to PA11 Carbon Fiber for stronger durability, longer service life, and consistent performance under pressure.
Key Features:
– M4 Magazine Compatibility: Upgrade your Flintlock to use M4 AEG magazines for increased capacity and quicker reloads, aided by the flared magwell design.
– Flared Magwell: Guides magazines in smoothly for faster, more intuitive swaps during competitive play.
– One-Piece Adapter Design: Enhances reliability and functionality with smooth, consistent BB feeding.
– Carbon Fiber Construction: 3D printed in Nylon PA12 with the option of upgrading to PA11 Carbon Fiber for higher rigidity, impact resistance, and heat stability—built to withstand the demands of competition.
What’s Included:
– Fully Assembled Adapter: Ready to use right out of the box with no modifications required.
Proudly made in the USA. Backed by a 30-day warranty and lifetime technical support, with access to replacement parts (fees may apply).
Compatibility: HFC Flintlock
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
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
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
Only logged in customers who have purchased this product may leave a review.

PRO ADAPTER
Designed for added Performance, Ergonomics and Aesthetics.
20-80% Condensed Dimensions
We've designed each system to create the sleekest profile.CNC Feed Nozzle
Areas under repeated use or load have been upgraded with replaceable CNC parts.0.01mm Precision Tolerances
BB-Stop tech optimized for flow and consistency.Individually Designed
Drums and mags are positioned to give a “meant-to-be-there” feel.







Reviews