GunBroker Seller Payment Processing Built for Marketplace Success


EPIC Merchant Systems provides GunBroker seller payment processing solutions designed specifically for marketplace sellers. With compatibility for GunBroker workflows, reliable deposits, and simple setup using Authorize.net and NMI for Immediate Checkout, sellers can accept payments efficiently while choosing pricing options like EPIC ZERO “Pay Your Way” or EPIC PLUS.


The Challenge with GunBroker Payment Processing


Selling on GunBroker creates unique payment challenges.


Not every processor supports marketplace workflows.


  • Immediate Checkout requirements can be difficult to meet
  • Payment gateways may not integrate properly
  • Deposits can be inconsistent or delayed


Without the right setup, your ability to sell is impacted.


Payment Solutions Built for GunBroker Sellers


GunBroker sellers need more than a standard merchant account.


You need a solution designed specifically for how the platform works.


We provide payment processing built for:


  • GunBroker Immediate Checkout
  • Marketplace transaction flow
  • Reliable and consistent payment acceptance


This allows you to focus on selling, not troubleshooting payments.


Compatible with GunBroker Immediate Checkout Gateways


We support the gateways required for GunBroker Immediate Checkout, including:


  • Authorize.net
  • NMI (Network Merchants Inc.)


These gateways allow you to:


  • Accept payments directly through GunBroker
  • Provide a seamless checkout experience for buyers
  • Stay compliant with marketplace requirements


With the right gateway setup, your listings convert more consistently.


Built for FFLs and the Entire Industry Ecosystem


We provide stable, compliant, and scalable 2A-friendly payment solutions built for:


  • FFL dealers, including home-based FFLs
  • GunBroker sellers
  • Gun stores, both retail and online
  • Ammunition retailers and manufacturers
  • Firearms instructors and training providers
  • Shooting ranges and range operators
  • Businesses offering firearms-related products and services


Whether you sell occasionally or at scale, we help you accept payments without disruption.


Reliable Deposits You Can Count On


Cash flow matters.


Delayed or inconsistent deposits can disrupt your business.


Our solutions are designed to:


  • Provide consistent funding timelines
  • Reduce unnecessary holds
  • Keep your cash flow predictable


You get paid when you expect to get paid.


Simple Setup Without the Headaches


Getting set up for GunBroker processing should not be complicated.


We make the process straightforward:


  • Clear application process
  • Guidance on gateway setup
  • Support through onboarding


You are not left figuring it out on your own.


Choose the Right Pricing Model for Your Business


EPIC ZERO “Pay Your Way”


Give your customers a choice between convenience and savings.


  • Pay with cash and save
  • Pay with a card for convenience


Customers are shown both options upfront and choose what works best for them.


  • Card-paying customers cover the cost of processing
  • Cash customers benefit from lower pricing
  • You protect your margins without raising base prices


This helps you maintain profitability while staying competitive on GunBroker.


👉 Activate Your Account Now


EPIC PLUS (Interchange Plus Pricing)


For sellers who prefer a traditional pricing structure:


  • One price for all customers
  • Transparent interchange pass-through
  • Predictable processing costs


This option provides consistency and simplicity.


👉 Activate Your Account Now


Why GunBroker Sellers Choose EPIC Merchant Systems


You need more than just approval.


You need reliability.


  • Veteran-owned and operated
  • Nationwide service
  • Direct access to real support
  • No call center runaround
  • Built for businesses that value independence


Frequently Asked Questions


Do you support GunBroker Immediate Checkout?

Yes. We support Immediate Checkout using Authorize.net and NMI gateways.


Will this integrate directly with GunBroker?

Yes. Our solutions are designed to work with GunBroker’s payment and checkout requirements.


How do I get set up with a gateway?

We guide you through setting up Authorize.net or NMI so your account is configured correctly from the start.


What is EPIC ZERO “Pay Your Way”?

It allows your customers to choose between paying with cash for savings or card for convenience, with card users covering processing costs.


How quickly can I get started?

Most businesses can begin processing in under 24 hours for GunBroker Immediate Checkout.


👉 Activate Your Account Now


Ready to Start Accepting Payments on GunBroker?


Stop struggling with payment setups that do not work.


Start using a solution built specifically for GunBroker sellers.


Simplify checkout. Improve reliability. Grow your sales.


👉 Activate Your Account Now