Marklin Rifles

(10,000 price results)

Sort by:

Most Relevant

SOLD

Vortex Crossfire II 3-9x Rifle Scope Dead-Hold BDC MOA Reticle (New in Box): This Vortex Crossfire II 3-9x rifle scope is a versatile and reliable optic designed for hunting and general-purpose rifle applications. Featuring adjustable magnification from 3x to 9x and a Dead-Hol

2026

Vortex Crossfire II 3-9x Rifle Scope Dead-Hold BDC MOA Reticle (New in Box)

Old Steel Historical Firearms LLCLittleton, CO

SOLD

Vortex Diamondback 3-9x40 Rifle Scope with Rings: This Vortex Diamondback 3-9x40 rifle scope is a versatile and dependable optic designed for hunting and general-purpose shooting applications. Featuring adjustable magnification from 3x to 9x and a 40

2026

Vortex Diamondback 3-9x40 Rifle Scope with Rings

Old Steel Historical Firearms LLCLittleton, CO

SOLD

Lot of 3 Rifle Scopes CenterPoint 4x32, Powerline 3-9x, & Bushnell 3-9x: This lot includes three rifle scopes, offering a versatile assortment of optics for hunting, target shooting, and general-purpose firearm applications. Included is a CenterPoint 4x32 fixed-power scope

2026

Lot of 3 Rifle Scopes CenterPoint 4x32, Powerline 3-9x, & Bushnell 3-9x

Old Steel Historical Firearms LLCLittleton, CO

SOLD

Elcan Spectre DR 14 Style Optic with Piggyback Micro Red Dot Dual Optic Setup: This Elcan Spectre DR 14 style optic is a compact dual-role scope designed in the pattern of the well-known fixed-power switchable magnification platform. It provides a versatile 1x to 4x configuratio

2026

Elcan Spectre DR 14 Style Optic with Piggyback Micro Red Dot Dual Optic Setup

Old Steel Historical Firearms LLCLittleton, CO

SOLD

Amazing POF USA Revolution SMR 6.5 Creedmoor Fluted Barrel Precision AR10 Rifle: Up for auction is a POF-USA Revolution SMR chambered in 6.5 Creedmoor. This premium semi-automatic precision rifle combines the long-range performance of the 6.5 Creedmoor cartridge with the innovativ

2026

Amazing POF USA Revolution SMR 6.5 Creedmoor Fluted Barrel Precision AR10 Rifle

Old Steel Historical Firearms LLCLittleton, CO

SOLD

Desirable Rock River Arms LAR-15 Stainless Barrel Free Float AR15 Precision Rifle: Up for auction is a Rock River Arms LAR-15 chambered in 5.56 NATO. Built by one of the most respected names in the AR industry, this rifle combines accuracy-focused features with the proven reliabilit

2026

Desirable Rock River Arms LAR-15 Stainless Barrel Free Float AR15 Precision Rifle

Old Steel Historical Firearms LLCLittleton, CO

SOLD

Gorgeous AR15 16" Barrel Carbine Gas System 5.56 NATO Rifle: Up for auction is a custom AR-15 chambered in 5.56 NATO. Featuring a versatile 16-inch barrel and carbine-length gas system, this rifle represents one of the most popular and proven AR-15 configuratio

2026

Gorgeous AR15 16" Barrel Carbine Gas System 5.56 NATO Rifle

Old Steel Historical Firearms LLCLittleton, CO

SOLD

Rugged AR15 5.56 NATO 16" Carbine Rifle Adjustable Stock AR Platform: Up for auction is a custom AR-15 chambered in 5.56 NATO. Featuring a versatile 16-inch barrel and a proven carbine-length gas system, this rifle embodies the configuration that helped make the AR-15 A

2026

Rugged AR15 5.56 NATO 16" Carbine Rifle Adjustable Stock AR Platform

Old Steel Historical Firearms LLCLittleton, CO

SOLD

AR15 Upper Receiver 7.5" 5.56 NATO Quad Rail Pistol Upper Assembly: Up for auction is an AR-15 upper receiver assembly chambered in 5.56 NATO. Featuring a compact 7.5-inch barrel and quad rail handguard, this upper delivers the aggressive appearance and compact dimens

2026

AR15 Upper Receiver 7.5" 5.56 NATO Quad Rail Pistol Upper Assembly

Old Steel Historical Firearms LLCLittleton, CO

SOLD

AR15 5.56 NATO 16" Upper Receiver Carbine Gas Slim Handguards Rifle Upper: Up for auction is an AR-15 upper receiver assembly chambered in 5.56 NATO. Featuring a 16-inch barrel and a carbine-length gas system, this upper delivers the proven reliability and familiar handling

2026

AR15 5.56 NATO 16" Upper Receiver Carbine Gas Slim Handguards Rifle Upper

Old Steel Historical Firearms LLCLittleton, CO

SOLD

NEW Faxon Firearms 8" .300 Blackout Barrel with AAC Muzzle Brake: Up for auction is a new Faxon Firearms 8-inch barrel chambered in .300 AAC Blackout, paired with an AAC muzzle brake. Faxon Firearms is well known in the AR industry for producing high-quality barrels

2026

NEW Faxon Firearms 8" .300 Blackout Barrel with AAC Muzzle Brake

Old Steel Historical Firearms LLCLittleton, CO

SOLD

Lot of 3 AR15 Gas Tubes Includes Pistol Length & Mid-Length Gas Tubes: This lot includes three AR15 gas tubes, featuring both pistol-length and mid-length configurations to support a variety of AR build projects. Gas tubes play a critical role in the direct impingement o

2026

Lot of 3 AR15 Gas Tubes Includes Pistol Length & Mid-Length Gas Tubes

Old Steel Historical Firearms LLCLittleton, CO

SOLD

Lot of Various AR15 Collapsible Buttstocks: This lot includes a selection of AR15 collapsible buttstocks, offering a range of options for AR-platform builds and parts inventories. Designed for standard AR-15 buffer tube compatibility, these sto

2026

Lot of Various AR15 Collapsible Buttstocks

Old Steel Historical Firearms LLCLittleton, CO

SOLD

Lot of 2 AR10 / .308 Charging Handles: This lot includes two AR10/.308 charging handles designed for use with large-frame AR platforms chambered in .308 Winchester, 7.62 NATO, and similar cartridges. Built to provide reliable operation and

2026

Lot of 2 AR10 / .308 Charging Handles

Old Steel Historical Firearms LLCLittleton, CO

SOLD

Knights Armament 5-Slot M-LOK to Picatinny Rail Segment AR15 (New in Bag): This Knights Armament 5-slot M-LOK to Picatinny rail segment is a new in bag accessory designed for AR15 and compatible M-LOK handguard systems. It provides a secure and reliable mounting interface fo

2026

Knights Armament 5-Slot M-LOK to Picatinny Rail Segment AR15 (New in Bag)

Old Steel Historical Firearms LLCLittleton, CO

SOLD

Vortex Venom Red Dot Sight with Picatinny Mount & Rubber Cover: This Vortex Venom red dot sight is a compact, fast-acquisition optic designed for pistol and rifle platforms. Featuring a clear illuminated dot for rapid target engagement, it mounts to standard Picat

2026

Vortex Venom Red Dot Sight with Picatinny Mount & Rubber Cover

Old Steel Historical Firearms LLCLittleton, CO

SOLD

SOTAC Perst-4 Style IR / Visible Laser Module Training & Simulation Unit: This SOTAC Perst-4 style laser module is designed to replicate the appearance and layout of the well-known Perst-4 aiming device. Featuring both infrared (IR) and visible laser functionality, it is in

2026

SOTAC Perst-4 Style IR / Visible Laser Module Training & Simulation Unit

Old Steel Historical Firearms LLCLittleton, CO

SOLD

WADSN Perst-4 Style IR / Visible Laser Device Rail-Mounted Aiming Module: This WADSN Perst-4 style laser device is a compact rail-mounted aiming module designed in the form factor of the well-known Perst series. Built for Picatinny rail compatibility, it provides both visib

2026

WADSN Perst-4 Style IR / Visible Laser Device Rail-Mounted Aiming Module

Old Steel Historical Firearms LLCLittleton, CO

SOLD

Beautiful AR15 5.56 NATO 16" Barrel Free Float Full-Length KeyMod Rifle: Up for auction is a custom AR-15 chambered in 5.56 NATO. Featuring a versatile 16-inch barrel and a free-float full-length KeyMod handguard, this rifle combines modern styling with the proven performa

2026

Beautiful AR15 5.56 NATO 16" Barrel Free Float Full-Length KeyMod Rifle

Old Steel Historical Firearms LLCLittleton, CO

SOLD

Aero Precision EPC-9 Stripped Lower with Buffer, Spring & Barrel: Up for auction is an Aero Precision EPC-9 stripped lower receiver package. Designed specifically for 9mm AR-platform builds, the EPC-9 has become one of the most respected foundations for modern pisto

2026

Aero Precision EPC-9 Stripped Lower with Buffer, Spring & Barrel

Old Steel Historical Firearms LLCLittleton, CO

SOLD

NEW Ballistic Advantage 11.5" 5.56 NATO 1:7 Twist AR15 Barrel: Up for auction is a new Ballistic Advantage 11.5-inch AR-15 barrel chambered in 5.56 NATO with a 1:7 twist rate. Ballistic Advantage has earned a strong reputation among AR enthusiasts for producing h

2026

NEW Ballistic Advantage 11.5" 5.56 NATO 1:7 Twist AR15 Barrel

Old Steel Historical Firearms LLCLittleton, CO

SOLD

NEW Aero Precision ATLAS S-ONE 15" M-LOK Free Float Handguard: Up for auction is a new Aero Precision ATLAS S-ONE 15-inch M-LOK handguard. Designed for lightweight performance and modern AR-15 builds, the ATLAS S-ONE is one of Aero Precisions most streamlined and

2026

NEW Aero Precision ATLAS S-ONE 15" M-LOK Free Float Handguard

Old Steel Historical Firearms LLCLittleton, CO

SOLD

NEW BCM MCMR 10" M-LOK Free Float Handguard AR15 Rail: Up for auction is a new Bravo Company Manufacturing (BCM) MCMR 10-inch M-LOK free float handguard. BCM is one of the most respected names in the AR-15 industry, known for producing rugged, duty-grade

2026

NEW BCM MCMR 10" M-LOK Free Float Handguard AR15 Rail

Old Steel Historical Firearms LLCLittleton, CO

SOLD

Aero Precision M5 Assembled Upper Receiver AR10 .308 / 7.62 NATO (Assembled Upper Only): This Aero Precision M5 assembled upper receiver provides a solid foundation for AR10-pattern .308/7.62 NATO builds, factory fitted with a dust cover and forward assist. Built on Aeros large-frame M5 p

2026

Aero Precision M5 Assembled Upper Receiver AR10 .308 / 7.62 NATO (Assembled Upper Only)

Old Steel Historical Firearms LLCLittleton, CO

View:

24

Rifles Auctions

Antique Mississippi Rifle Model 1841 dated 1849 Remington's Herkimer, NY Smooth Bore Civil War Era

Vintage Iron Wagon or Implement Wheel Spoke Design P01618 IH

MCM Interlocking Ring base / Marble Top Console Table

7/2026 Estate Auction & Civil War Era Rifles

Starts on:

Canajoharie, NY, US

Ruger Mini-14 Semi-Automatic Rifle .223 with 18.5 Inch Barrel

Smith & Wesson Model 24-3 Double Action Revolver .44 S.&W. Special with 3 Inch Barrel

Colt Government Model Semi-Automatic Pistol .38 Super with 5 Inch Barrel

NO RESERVE Gun Collectors Dream Auction Day 2

Brand Used Works

Starts on:

Henderson, TX, US

A Pair of Winchester Model 94 Buffalo Bill Commemorative Lever Action Rifle and Carbine .30-30 with

Colt Government Model 1911 Semi-Automatic Pistol .38 Super with 5 Inch Barrel

Smith & Wesson Model 29-2 Double-Action Revolver .44 Magnum with 8-3/8 Inch Barrel

NO RESERVE Gun Collectors Dream Auction Day 1

Brand Used Works

Starts on:

Henderson, TX, US

TOP