Weapons And Armor

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Vintage L3 EOTech 551 Holographic Sight Untested: This vintage L3-marked EOTech 551 holographic sight is offered in untested condition and represents an early example of one of the most recognizable holographic weapon sights ever produced. Manufactur

2026

Vintage L3 EOTech 551 Holographic Sight Untested

Old Steel Historical Firearms LLCLittleton, CO

SOLD

Lot of 2 Harris-Style Rifle Bipods Black: This lot includes two black Harris-style rifle bipods designed to provide a stable shooting platform for rifles used in precision shooting, hunting, and general range applications. Featuring the class

2026

Lot of 2 Harris-Style Rifle Bipods Black

Old Steel Historical Firearms LLCLittleton, CO

SOLD

EOTech XPS2 Style Red Dot Sight: This EOTech XPS2-style red dot sight is a training optic designed to replicate the appearance and handling characteristics of the popular XPS-series holographic sight. Featuring the familiar compact p

2026

EOTech XPS2 Style Red Dot Sight

Old Steel Historical Firearms LLCLittleton, CO

SOLD

Lot of 2 AR Barrels: 20" 5.56 FSP + NEW Ballistic Advantage 16" .308 Barrel: Up for auction is a lot of two AR-pattern barrels, offering a versatile combination of rifle and large-frame components suitable for multiple build paths. The first barrel is a 20-inch 5.56 NATO barre

2026

Lot of 2 AR Barrels: 20" 5.56 FSP + NEW Ballistic Advantage 16" .308 Barrel

Old Steel Historical Firearms LLCLittleton, CO

SOLD

Feyachi Micro Red Dot Sight New in Box: This Feyachi micro red dot sight is new in box and provides a compact, lightweight aiming solution for a variety of firearm platforms. Designed for rapid target acquisition, it features a streamlined

2026

Feyachi Micro Red Dot Sight New in Box

Old Steel Historical Firearms LLCLittleton, CO

SOLD

Armalite Pattern AR-10 .308 Winchester Upper Receiver 20" Barrel KeyMod Handguard: Up for auction is an AR-10 upper receiver assembly chambered in .308 Winchester / 7.62 NATO. Featuring a 20-inch barrel and a KeyMod handguard, this upper is configured to take full advantage of the p

2026

Armalite Pattern AR-10 .308 Winchester Upper Receiver 20" Barrel KeyMod Handguard

Old Steel Historical Firearms LLCLittleton, CO

SOLD

Lot of 2 Pistol Braces MP5 Style Brace & AR15 Buffer Tube Brace: This lot includes two pistol braces designed for popular firearm platforms, featuring one MP5-style brace and one brace configured for AR15 buffer tube applications. These braces are widely sought aft

2026

Lot of 2 Pistol Braces MP5 Style Brace & AR15 Buffer Tube Brace

Old Steel Historical Firearms LLCLittleton, CO

SOLD

Lot of 6 M4 RAS Quad Rail Lower Handguards Includes Knights Armament Components: This lot includes six M4 RAS lower quad rail handguards, with several examples manufactured by Knights Armament. Designed for M4 and M4A1-style rifle configurations, these rail sections provide the cl

2026

Lot of 6 M4 RAS Quad Rail Lower Handguards Includes Knights Armament Components

Old Steel Historical Firearms LLCLittleton, CO

SOLD

Knights Armament Ribbed Rail Cover Kit AR15 Picatinny Rail Covers: This Knights Armament ribbed rail cover kit includes a set of Picatinny rail covers designed for AR15 and compatible quad-rail handguard systems. Featuring the classic ribbed texture, these covers pro

2026

Knights Armament Ribbed Rail Cover Kit AR15 Picatinny Rail Covers

Old Steel Historical Firearms LLCLittleton, CO

SOLD

Spyderco Yojimbo 2 Folding Knife Satin Blade, 3.2 Blade: This Spyderco Yojimbo 2 features a 3.2-inch satin-finished blade and one of the most distinctive designs in Spydercos lineup. Designed by renowned knife designer Michael Janich, the Yojimbo 2 combines

2026

Spyderco Yojimbo 2 Folding Knife Satin Blade, 3.2 Blade

Old Steel Historical Firearms LLCLittleton, CO

SOLD

Spyderco Para 3 Folding Knife Maxamet Steel, 2.92 Blade: This Spyderco Para 3 features a 2.92-inch blade crafted from Maxamet steel, a premium high-performance steel known for exceptional edge retention and cutting capability. Combining the proven Para 3 de

2026

Spyderco Para 3 Folding Knife Maxamet Steel, 2.92 Blade

Old Steel Historical Firearms LLCLittleton, CO

SOLD

Aero Precision X15 Receiver Set: The Aero Precision X15 receiver set is a forged AR-15 matched upper and lower combination thats widely used as a solid, no-nonsense foundation for custom builds. Its part of Aeros more mil-spec style

2026

Aero Precision X15 Receiver Set

Old Steel Historical Firearms LLCLittleton, CO

SOLD

Fostech Bumpski AK Stock Assembly New in Box: This listing is for a new in box Fostech Bumpski AK stock assembly offered as an AK-platform compatible stock component from Fostech. The item is unused and comes in its original factory packaging as

2026

Fostech Bumpski AK Stock Assembly New in Box

Old Steel Historical Firearms LLCLittleton, CO

SOLD

2 Boxes Black Hills 223/5.56 Ammunition - 100rds: 5.56 77gr HP - 50rds 223 REM 69gr HP - 50rds THIS ITEM IS AS PICTURED WITH NO FURTHER ATTACHMENTS. ALL SALES ARE FINAL. PLEASE REFER TO THE AUCTIO

2026

2 Boxes Black Hills 223/5.56 Ammunition - 100rds

Old Steel Historical Firearms LLCLittleton, CO

SOLD

2026

Lot of 2 AR Barrels: 16" 5.56 Government Profile + Ballistic Advantage 11" 9mm New

Old Steel Historical Firearms LLCLittleton, CO

SOLD

255rds 7.62x39mm Ammunition: 255rds 7.62x39mm Ammunition THIS ITEM IS AS PICTURED WITH NO FURTHER ATTACHMENTS. ALL SALES ARE FINAL. PLEASE REFER TO THE AUCTION DESCRIPTION, LOT #1

2026

255rds 7.62x39mm Ammunition

Old Steel Historical Firearms LLCLittleton, CO

SOLD

Lot of .300 Win Mag Ammo Winchester Super X 150gr & Federal Premium Safari 180gr TBBC 5 Boxes: This lot includes five boxes of .300 Winchester Magnum ammunition, consisting of four boxes of Winchester Super-X 150 grain and one box of Federal Premium Safari 180 grain Trophy Bonded Bear Claw (TBB

2026

Lot of .300 Win Mag Ammo Winchester Super X 150gr & Federal Premium Safari 180gr TBBC 5 Boxes

Old Steel Historical Firearms LLCLittleton, CO

SOLD

Holosan Micro Red Dot Sight Budget Compact Reflex Optic (Holosun-Style Design): This Holosan micro red dot sight is a compact, lightweight reflex optic designed in a popular micro red dot form factor, offering fast target acquisition and a clean, simple sight picture. The low-pro

2026

Holosan Micro Red Dot Sight Budget Compact Reflex Optic (Holosun-Style Design)

Old Steel Historical Firearms LLCLittleton, CO

SOLD

Bie Zumn Polished G10 Fixed Blade Knife with Leather Sheath: This Bie Zumn fixed blade knife features a polished G10 handle construction paired with a full tang blade design for strength and durability. Built as a compact fixed blade platform, it is well-suited

2026

Bie Zumn Polished G10 Fixed Blade Knife with Leather Sheath

Old Steel Historical Firearms LLCLittleton, CO

SOLD

195rds 7.62x39 Ammunition: 195rds 7.62x39 Ammunition THIS ITEM IS AS PICTURED WITH NO FURTHER ATTACHMENTS. ALL SALES ARE FINAL. PLEASE REFER TO THE AUCTION DESCRIPTION, LOT #1&n

2026

195rds 7.62x39 Ammunition

Old Steel Historical Firearms LLCLittleton, CO

SOLD

Amazing AR15 5.56 NATO 16" Barrel AR-15 Rifle with Muzzle Brake: Up for auction is a custom AR-15 chambered in 5.56 NATO. Featuring a 16-inch barrel, this rifle represents one of the most versatile and widely used configurations in the AR platform family. The barre

2026

Amazing AR15 5.56 NATO 16" Barrel AR-15 Rifle with Muzzle Brake

Old Steel Historical Firearms LLCLittleton, CO

SOLD

Aero Precision X15 Receiver Set: The Aero Precision X15 receiver set is a forged AR-15 matched upper and lower combination thats widely used as a solid, no-nonsense foundation for custom builds. Its part of Aeros more mil-spec style

2026

Aero Precision X15 Receiver Set

Old Steel Historical Firearms LLCLittleton, CO

SOLD

8 Boxes Dupo 7 410ga Slug Ammunition - 40rds: 8 Boxes Dupo 7 410ga Slug Ammunition - 40rds THIS ITEM IS AS PICTURED WITH NO FURTHER ATTACHMENTS. ALL SALES ARE FINAL. PLEASE REFER TO THE AUCTION DE

2026

8 Boxes Dupo 7 410ga Slug Ammunition - 40rds

Old Steel Historical Firearms LLCLittleton, CO

SOLD

2 Boxes Federal 300 WSM 180gr Ammunition - 40rds: 2 Boxes Federal 300 WSM 180gr Ammunition - 40rds THIS ITEM IS AS PICTURED WITH NO FURTHER ATTACHMENTS. ALL SALES ARE FINAL. PLEASE REFER TO THE AUCTIO

2026

2 Boxes Federal 300 WSM 180gr Ammunition - 40rds

Old Steel Historical Firearms LLCLittleton, CO

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