Skip to main content
Rock Island Auction Company
AuctionsConsignmentBlogFAQNewsAbout Us
Create Account
Login
AuctionsConsignmentBlogFAQNews & EventsAbout Us
Login
Create Account

History Lives Here

Rock Island Auction Company
1-309-797-15001-800-238-8022[email protected]
RIAC Rock Island
7819 42nd Street West
Rock Island, Illinois 61201, USA
8:00am - 5:00pm, Mon - Fri
RIAC Bedford
3600 Harwood Road
Bedford, Texas 76021, USA
8:00am - 5:00pm, Mon - Fri
Navigation
  • Auctions
  • Consignment
  • Blog
  • FAQ
  • News
  • About Us
More Info
  • Terms & Conditions
  • Privacy Policy
  • Job Postings & Careers
  • Contact
  • Order a Catalog
© 2025 Rock Island Auction Company. RIAC believes that this website is accessible to the widest possible audience pursuant to the guidelines of the Americans with Disability Act. Click here for more information.
Healthcare Transparency in Coverage.
  • Auction Catalog #50
  • Lot #1644
Lot #1643
Lot #1645

Lot 1644: Heckler & Koch/Fleming Gun HK51 Rifle 9 mm

Fully Automatic Portuguese FMP HK51B Custom Belt Fed Rifle with Fleming Automatic Sear

Auction Location: Rock Island, IL

Auction Date: September 10, 2010

Lot 1644: Heckler & Koch/Fleming Gun HK51 Rifle 9 mm

Fully Automatic Portuguese FMP HK51B Custom Belt Fed Rifle with Fleming Automatic Sear

Auction Location: Rock Island, IL

Auction Date: September 10, 2010

Estimated Price: $18,000 - $25,000

Fully Automatic Portuguese FMP HK51B Custom Belt Fed Rifle with Fleming Automatic Sear

Manufacturer: Heckler & Koch/Fleming Gun
Model: HK51
Type: Rifle
Gauge: 9 mm
Barrel: 10 1/2 inch round
Finish: matte black
Grip:
Stock: plastic
Item Views: 7430
Serial Number:
Catalog Page: 36
Class: Class III
Description:

Produced in Portugal using tooling supplied by Heckler & Koch, this is a G3-family weapon that was altered Stateside into a short barreled MP5-style weapon with a Fleming full auto sear. Hooded pin front and drum rear sights, with a ported muzzle brake, MP5 triangular forearm, belt feed receiver, 4 position selector (safe/ single/ 3-round burst/ full auto), textured pistol grip and a "club foot" butt with handrest and recoil pad. Sear is numbered "H3382". NOTE: This is a fully transferable NFA Class III Firearm currently on a Form 4. You are required to check your state and/or local laws as to whether or not you may own this. This weapon can be transferred to a Class III dealer at no charge. Buyer pays all other transfer fees and stamps.

Rating Definition:

Professionally converted/remanufactured, with 95% of the matte black finish, showing areas of flaking and signs of welding. Stock components are excellent, with minimal wear. Mechanically excellent.



Customer Product Questions

There are currently no customer product questions on this lot

    Related Items

    Lot #78: Portuguese Contract BSA & M. Co. Snider Carbine

    Lot #876: Heckler & Koch/Umarex HK416D Semi-Automatic Rifle

    Lot #1154: Two Slide Action Rifles

    Lot #880: Fostech NRA Custom Lite 2.0 Phantom Rifle with Case

    Lot #549: French MAS Model 1936-51 Bolt Action Rifle with Bayonet

    Lot #289: Engraved and Precious Metal Inlaid Weatherby Mark V Rifle