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  • Armalite AR10 3-Gun 18 in Rifle Armalite AR10 3-Gun 18 in Rifle

ARMALITE AR10 3-GUN 18 in RIFLE .308 Win

Quick Overview

Purpose Built 3-Gun Practical Rifle 18 in Barrel | AR103GN18

Availability: In stock

Regular Price: $2,099.00

Oak Hill Price: $1,829.00

Cash Price: $1,774.13


ARMALITE AR-10 3-GUN RIFLE .308 Win 18 in


Purpose built for 3-gun and practical rifle competition, the AR103GN18 is ready to dominate, right from the box. A Timney 4-lb., single-stage trigger and Ergo wide grip are standard. The light weight MBA-1 buttstock is adjustable for cheek piece height and length-of-pull, and an ambidextrous safety and Raptor charging handle provide ease of operation.


Model: AR-10 3-Gun RifleTM

Caliber: 7.62X51 mm / .308

Barrel: 18" stainless steel

Rifling Twist: 1:10" RH

Muzzle Device: Threaded 5/8 x 24 with Armalite tunable brake

Front Sight Base: 2" MIL-STD 1913 rail section at forward 12 o'clock postion of handguard

Handguard: 15” free-floating 3-gun

Upper Receiver: Forged, flat-top with MIL-STD 1913 rail, 7075-T6 Aluminum

Lower Receiver: 7075-T6 Aluminum (forged)

Safety: Ambidextrous

Charging Handle: “Raptor” ambidextrous charging handle

Trigger: Timney 4- lb. single-stage

Stock: MBA-1 light weight precision adjustable for length-of-pull and comb height

Overall Length: 40.3" / 41.5"

Weight: 8.9 lbs.

Finish: Anodized aluminum upper/lower receiver, manganese phosphated steel barrel

Included with Rifle: One 25-round Magpul PMAG

Additional Information

Manufacturer Armalite
Caliber 308 WINCHESTER
Finish BLACK
Magazine Capacity 20
Barrel Length 18"
Overall Length 40.3 / 41.5"
Sights NA

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Shipping Policy

 All items are shipped at the flat rate listed in the item description except for long guns to Hawaii and Alaska, provide a zip code for a shipping quote to these states.  Oak Hill Ventures, LLC does not ship internationally, nor will we ship a firearm to any address other than the one listed on your dealer’s FFL license which we will verify prior to shipping. 

Handguns and accessories ship USPS Priority and long guns ship UPS Ground.

All orders placed before 1:00 p.m. EST are processed within 24 hours and will typically ship in 1-2 days.

You will receive email confirmation upon receiving your order, payment and the FFL license from your dealer.  You will be provided with tracking info when the item is shipped.  Your name and phone number will be included on item, but it is your responsibility to complete the transfer and take possession of the firearm.  Each item will be inspected and serial number verified prior to shipping. 

Oak Hill Ventures, LLC is registered with the state of California and will process the transfer forms required by CA DOJ for $10 per firearm.  CA dealers must provide their CFD # printed on their FFL.  

California has a search engine to verify legal handguns

FAQ – Frequently Asked Questions

Q:  Can you ship a firearm directly to my residence?

A:  No, all firearms must be shipped to a FFL (Federal Firearms Licensed) dealer for transfer to you.  The shipping price is listing in the description for each item.

 Q:  How do I find a FFL dealer?

 A:  Click on "FFL Finder" at the bottom of this page, enter your zip code to see a list of dealers who will accept shipment of the firearm and transfer it to you.

Returns policy


Returns are accepted only with prior approval, must be new, unused in the package and are subject to 10% restocking fee.  Refunds will be processed upon receipt of the returned merchandise in the same method as payment. Shipping is not refundable.  Product warranty is handled by the manufacturer.