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Bahnhof Machine

Your HK Conversion Specialists.

Your HK Conversion Specialists.
  • About
    • Our History
    • Our Facility
    • Satisfaction Guaranteed
    • Blog
  • Services
    • HK Conversions
    • Custom Builds
    • Gunsmithing Services
      • Engraving
      • Refinishing
  • Pricing
    • MP5 Conversions
    • MP5-N Conversions
    • G3 Conversions
    • 33/53 Conversions
    • Gunsmithing Services
    • Transfers
  • Ordering
    • Service Request Form
    • Shipping
    • Transfers
      • Transfer Policies
      • Incoming Transfer Procedure
      • Outgoing Transfer Procedure
    • Terms & Conditions
  • Gallery
  • Contact
    • Contact Us
    • Location

HK Conversions

Firearm conversion is the process of taking a civilian weapon and turning it into a military-looking reproduction while maintaining full compliance with all NFA regulations. While there are a number of do-it-yourself kits available, the best conversions are done by industry experts who have the knowledge, skill, and equipment to perform a professional upgrade.

At Bahnhof Machine, our HK conversions, and attention to detail, are among the best in the industry. We pride ourselves on our ability to produce authentic-looking HK military-grade reproductions that look just like the real thing. Plus, we always use HK-branded factory parts to ensure that your HK conversion performs as well as it looks. For HK collectors, this is an important consideration.

For pricing, please click on the HK Conversion you’re interested in purchasing or fill out our Service Request Form.

  • SP89 to MP5K or MP5K-N
  • SP5K to MP5K or MP5K-N
  • HK91 to G3 or G3K
  • HK93 to 33, 33K, or 53
  • HK94 to MP5 or MP5-N
  • HK94 to MP5-SD
  • HK SP5L to MP5-Navy-ST

*Please note that although an HK Conversion will look just like its military-grade counterpart, it will still be a semi-automatic weapon.

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About Us

Bahnhof Machine is a full-service and federally licensed firearms dealer located in Minneola, Florida, which is just 30 minutes from downtown Orlando. We specialize in HK conversions, but also do everything from simple repairs to custom builds.

Get Connected

For the latest news, including contests, special offers, new products, and events, be sure to check out our Facebook,  Instagram, and LinkedIn pages by clicking one of the icons below.

—Brad Bonhoff, President

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Contact Us

Bahnhof Machine
2301 Zaltana Circle
Minneola, FL 34715
352.901.1655 phone
[email protected]

Office Hours
M–F: 8:00am–5:00pm
Sat, Sun: By appointment only

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