Marklin Rifles

(10,000 price results)

Sort by:

Most Relevant

SOLD

Eye-Catching Custom Tactical AR15 Gordon Carbine Style Pistol 14.5" Barrel Carry Handle: Up for auction is a custom Tactical AR-15 pistol chambered in 5.56 NATO. This rifle captures the iconic appearance of the famous Gordon Carbine configuration, featuring a classic carry handle upper an

2026

Eye-Catching Custom Tactical AR15 Gordon Carbine Style Pistol 14.5" Barrel Carry Handle

Old Steel Historical Firearms LLCLittleton, CO

SOLD

Unique AR15 Side Charger 7.62x39 16" Free Float M-LOK Rifle: Up for auction is a custom AR-15 Side Charger chambered in 7.62x39. Combining the familiar ergonomics of the AR platform with the proven performance of the 7.62x39 cartridge, this rifle offers a uniqu

2026

Unique AR15 Side Charger 7.62x39 16" Free Float M-LOK Rifle

Old Steel Historical Firearms LLCLittleton, CO

SOLD

Aero Precision M4E1 Matched Receiver Set AR15 Upper & Lower Receivers: Up for auction is an Aero Precision M4E1 Matched Receiver Set. Recognized throughout the firearms industry as one of the premier foundations for a custom AR build, the M4E1 receiver set combines outst

2026

Aero Precision M4E1 Matched Receiver Set AR15 Upper & Lower Receivers

Old Steel Historical Firearms LLCLittleton, CO

SOLD

Aero Precision Gen 2 Stripped Lower Receiver FDE AR15 Lower: Up for auction is an Aero Precision Gen 2 Stripped Lower Receiver finished in Flat Dark Earth (FDE). Built by one of the most respected manufacturers in the AR industry, this receiver provides an exce

2026

Aero Precision Gen 2 Stripped Lower Receiver FDE AR15 Lower

Old Steel Historical Firearms LLCLittleton, CO

SOLD

NEW BCM MCMR 13" M-LOK Free Float Handguard AR15 Rail: Up for auction is a new Bravo Company Manufacturing (BCM) MCMR 13-inch M-LOK free float handguard. BCM is a leading name in the AR-15 industry, known for producing duty-grade components trusted by pro

2026

NEW BCM MCMR 13" M-LOK Free Float Handguard AR15 Rail

Old Steel Historical Firearms LLCLittleton, CO

SOLD

Lot of 4 Aero Precision AR15 Carbine Length Gas Tubes (New): This lot includes four Aero Precision AR15 carbine-length gas tubes, providing a reliable and consistent solution for standard carbine gas system builds. Manufactured to Aero Precisions quality standa

2026

Lot of 4 Aero Precision AR15 Carbine Length Gas Tubes (New)

Old Steel Historical Firearms LLCLittleton, CO

SOLD

Lot of 5 Mil-Spec AR15 Charging Handles: This lot includes five mil-spec AR15 charging handles, making it an excellent option for builders, armorers, and enthusiasts working on multiple AR-platform projects. Designed for compatibility with s

2026

Lot of 5 Mil-Spec AR15 Charging Handles

Old Steel Historical Firearms LLCLittleton, CO

SOLD

PEQ-15 Style Tactical Laser Aiming Module (Black) with Dual Pressure Pad: This PEQ-15 style tactical laser aiming module is a replica/training unit designed for mounting on standard Picatinny rail systems. Finished in black, it replicates the external form factor of the wid

2026

PEQ-15 Style Tactical Laser Aiming Module (Black) with Dual Pressure Pad

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

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

PEQ-15 Style Tactical Laser Module Black with Pressure Pad: This PEQ-15 style laser aiming module is a compact rail-mounted unit designed in the form factor of the widely recognized military-style aiming device. Finished in black, it mounts to standard Picatin

2026

PEQ-15 Style Tactical Laser Module Black with Pressure Pad

Old Steel Historical Firearms LLCLittleton, CO

SOLD

CVLIFE Carbon Fiber Bipod Adjustable Lightweight Rifle Bipo: This CVLIFE carbon fiber bipod is a lightweight and highly adjustable rifle support designed for enhanced stability during precision shooting, hunting, and range use. Constructed with carbon fiber leg

2026

CVLIFE Carbon Fiber Bipod Adjustable Lightweight Rifle Bipo

Old Steel Historical Firearms LLCLittleton, CO

SOLD

2026

M2 .50 Cal Machine Gun Miniature Model RC Car Mounted Scale Replica

Old Steel Historical Firearms LLCLittleton, CO

SOLD

Amazing Daniel Defense DDM4 V7 RIS III Geissele SSA-E MBUS Pro AR15 Rifle: Up for auction is a Daniel Defense DDM4 V7 chambered in 5.56 NATO. Built around one of the most respected AR-15 platforms on the market, this rifle combines Daniel Defense's renowned manufacturing qua

2026

Amazing Daniel Defense DDM4 V7 RIS III Geissele SSA-E MBUS Pro AR15 Rifle

Old Steel Historical Firearms LLCLittleton, CO

SOLD

Battle-Ready AR15 5.56 NATO 16" Stainless Barrel Lightweight M-LOK Mid-Length Rifle: Up for auction is a custom AR-15 chambered in 5.56 NATO. Featuring a 16-inch stainless steel barrel and a mid-length gas system, this rifle delivers an excellent balance of accuracy potential, smooth

2026

Battle-Ready AR15 5.56 NATO 16" Stainless Barrel Lightweight M-LOK Mid-Length Rifle

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

2026

aero precision Atlas R-one handguard 15 inch mlok new

Old Steel Historical Firearms LLCLittleton, CO

SOLD

NEW Aero Precision ATLAS S-ONE 15" M-LOK Free Float Handguard AR15: Up for auction is a new Aero Precision ATLAS S-ONE 15-inch M-LOK free float handguard. Known for its lightweight construction, modern design, and excellent strength-to-weight ratio, the ATLAS S-ONE is

2026

NEW Aero Precision ATLAS S-ONE 15" M-LOK Free Float Handguard AR15

Old Steel Historical Firearms LLCLittleton, CO

SOLD

2026

Lot of 2 AR Barrels: 20" HBAR Barrel + Ballistic Advantage 11" 9mm New

Old Steel Historical Firearms LLCLittleton, CO

SOLD

Aero Precision M5 Assembled Upper Receiver AR10 .308 w/ FA & Dust Cover: Up for auction is an Aero Precision M5 assembled upper receiver for the AR-10 / .308 platform. Manufactured by Aero Precision, one of the most respected names in modern AR components, this upper provi

2026

Aero Precision M5 Assembled Upper Receiver AR10 .308 w/ FA & Dust Cover

Old Steel Historical Firearms LLCLittleton, CO

SOLD

Ballistic Advantage 11.5" 5.56 NATO Barrel AR15 Performance Barrel (New): This new Ballistic Advantage 11.5-inch 5.56 NATO barrel is an excellent choice for builders seeking a compact, reliable AR-15 configuration without sacrificing performance. Known for delivering an out

2026

Ballistic Advantage 11.5" 5.56 NATO Barrel AR15 Performance Barrel (New)

Old Steel Historical Firearms LLCLittleton, CO

SOLD

Lot of 3 Aero Precision Rifle Length Melonite Gas Tubes (New): This lot includes three Aero Precision rifle-length melonite gas tubes, offering a dependable solution for AR-platform rifle builds and spare parts inventory. Manufactured to Aero Precisions high stan

2026

Lot of 3 Aero Precision Rifle Length Melonite Gas Tubes (New)

Old Steel Historical Firearms LLCLittleton, CO

SOLD

Lot of 2 AR15 Bolt Carrier Groups Chrome & Phosphate 5.56 NATO (.223): This lot includes two AR15 bolt carrier groups chambered for 5.56 NATO/.223 Remington, offering a versatile combination of finishes for different build preferences. The first is a chrome-finished BCG,

2026

Lot of 2 AR15 Bolt Carrier Groups Chrome & Phosphate 5.56 NATO (.223)

Old Steel Historical Firearms LLCLittleton, CO

SOLD

Leatherwood ART II Sporter Bullet Drop Compensating Scope Multi-Caliber BDC with Box & Papers: This Leatherwood ART II Sporter scope is a bullet drop compensating optic designed for multi-caliber use, offering an integrated range-compensating system to support extended-distance shooting applica

2026

Leatherwood ART II Sporter Bullet Drop Compensating Scope Multi-Caliber BDC with Box & Papers

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