Offered for sale is an excellent condition HK53 registered receiver transferable machine gun, converted and marked by Fleming Firearms. This is a fully transferable, pre-May 19, 1986 machine gun, legally transferable to civilians where permitted by law.
This HK53 is built on a registered receiver, making it one of the most desirable and durable configurations in the transferable HK market. Fleming conversions are well regarded for their reliability, consistency, and long-term collector value.
The receiver is clearly Fleming-marked on the magazine well, confirming its provenance. The firearm features a true 2-pin swing-down lower, offering excellent flexibility for future configuration changes.
Key Details
•Manufacturer: Heckler & Koch
•Model: HK53
•Registration Type: Registered Receiver
•Converter: Fleming Firearms
•Caliber: 5.56×45 NATO
•Barrel Length: 8.3 inches
•Transfer Status: Form 3
•Location: Jacksonville, Florida
•C&R Eligible: No
•Condition: Excellent
Configuration
•A2 fixed stock installed
•2-pin swing-down lower
•Current selector: 0-1-25
•Fleming markings on magazine well
Optional Upgrades Available
•4-position burst lower with 2- or 3-round burst available for an additional $2,500
•HK telescopic stock available for an additional $1,000
Why the HK53 RR Matters
Registered receiver HK machine guns offer unmatched longevity, broad parts compatibility, and strong collector demand. The compact HK53 platform delivers the iconic roller-delayed HK experience in a highly desirable transferable configuration, making it an excellent choice for both serious collectors and experienced shooters.
This machine gun is currently on a Form 3, allowing for a fast dealer-to-dealer transfer.
For purchase inquiries, or additional information, email myfullautollc@gmail.com.
All NFA rules apply. Transferable machine gun ownership is subject to federal and state law.