Description
Add a specific piece of U.S. .50 caliber Browning machine gun hardware to your collection with this .50 Cal M2 HB Browning Machine Gun Breech Lock Pin Assembly, identified by Part Number 6008784. This is a U.S. military-surplus component associated with the legendary M2 Heavy Barrel Browning machine gun parts family.
Important Listing Note: The product photos show images of the original packaging for reference only. The original packaging is not included. The customer will receive ONE Breech Lock Pin Assembly only.
Cataloging Note
The item is listed here with the customer-supplied stock information: NSN 1005-00-600-8784 and FSN 1005-631-3117. Public M2 parts-catalog references list P/N 6008784 as “Pin Assembly, Breech Lock” and show it in the M2 parts breakdown with equivalent stock-number formatting listed as 5315-00-600-8784. Buyers using this part for inventory, restoration, or parts matching should verify the stock number against their own parts manual or packaging markings before purchase.
Historical Significance
The M2 Browning .50 caliber machine gun is one of the most recognized U.S. crew-served weapons ever fielded. It has served across generations of military use in ground, vehicle, aircraft, naval, and defensive roles.
The M2 Heavy Barrel configuration became especially important for ground and vehicle use. Marine Corps training material describes the Browning .50 Caliber HB M2 as a belt-fed, recoil-operated, air-cooled, crew-served machine gun capable of single-shot and automatic fire.
That long service history gives M2-related parts strong collector appeal. A breech lock pin assembly is not just generic hardware. It is a part-numbered component tied to one of the most enduring heavy machine gun systems in U.S. military history.
The Breech Lock Pin Assembly
The Breech Lock Pin Assembly belongs to the mechanical parts system of the M2 HB. In the M2 parts catalog, P/N 6008784 is listed as PIN ASSEMBLY, BREECH LOCK in the receiver and parts assembly breakdown for M2 configurations. The same catalog’s part-number reference also lists 6008784 as Pin Assembly, Breech Lock.
Known identification details include:
- Item: .50 Cal M2 HB Browning Machine Gun Breech Lock Pin Assembly
- Part Number: 6008784
- Customer-Supplied NSN: 1005-00-600-8784
- Customer-Supplied FSN: 1005-631-3117
- Public Parts-Catalog Stock Reference: 5315-00-600-8784
- Catalog Nomenclature: Pin Assembly, Breech Lock
- Associated Equipment: .50 Cal M2 HB Browning Machine Gun
- Item Type: U.S. military-surplus machine gun component
- Included Item: One Breech Lock Pin Assembly only
- Packaging: Original packaging may be shown in photos, but packaging is not included
Why This Part Matters
The M2 HB Browning has remained important because of its durability, power, and adaptability across many military platforms. The complete weapon system depends on many individual parts, including pins, locks, springs, cams, feed components, buffers, bolts, and receiver-group hardware.
This Breech Lock Pin Assembly helps preserve the support history behind that system. It is a clearly identified, part-numbered component tied to the M2 HB parts family, making it useful for collectors who value traceable ordnance components rather than unidentified surplus hardware.
It pairs well with M2 HB parts displays, Browning .50 caliber collections, crew-served weapons manuals, vehicle armament displays, military surplus parts collections, and U.S. ordnance component reference sets.
About This Breech Lock Pin Assembly
This listing is for one .50 Cal M2 HB Browning Machine Gun Breech Lock Pin Assembly, identified by P/N 6008784.
This listing is for the Breech Lock Pin Assembly only. The original packaging shown in the photos is not included. No complete machine gun, firearm, receiver, barrel, bolt, breech lock, feed mechanism, mount, ammunition, belts, links, tools, storage case, manuals, or additional accessories are included unless specifically shown or noted.
This item is intended for collection, display, restoration reference, historical research, or military surplus parts study.
Ideal For
This Breech Lock Pin Assembly is a strong fit for:
- .50 Cal M2 HB Browning collectors
- Browning .50 caliber parts displays
- M2 HB machine gun reference collections
- crew-served weapons collectors
- U.S. military-surplus parts collectors
- vehicle and ground weapon display collections
- museum and archival ordnance exhibits
Approx length 2", Approx width .25", Approx height .25", Approx weight .2lbs.
Pictures are stock images of our inventory. Unless otherwise noted, you will not be receiving the exact item shown in the pictures. The pictures are representative of the item's general condition. The item you receive might be slightly better, or worse, condition than was shown in the pictures.
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