Skip to main content

AR-10 .243 Winchester 20" Stainless Steel Upper Assembly – 15" M-LOK

Brand:Moriarti Armaments
Product Code:MAR-243-20-SS-TRI
Availability:In Stock
star_border star_border star_border star_border star_border
mode_comment0 reviews editWrite a review
  • $429.95

  • $599.95

Available Options

AR-10 .243 Win 20" Stainless Steel Tactical Upper Overview

The Moriarti AR-10 .243 Winchester upper assembly features a 20-inch 416 stainless steel barrel with a 1:8 right-hand twist and rifle-length gas system. The assembly incorporates an A3 flat-top billet aluminum receiver with installed forward assist and dust cover.

The updated configuration features a 15-inch free-floating M-LOK handguard in five available finishes: FDE, Burnt Bronze, Grey, Cobalt Blue, and OD Green.

Key Features

  • .243 Winchester chambering

  • 20" 416 stainless steel barrel

  • 1:8 RH twist

  • Rifle-length gas system

  • .750" gas block

  • A3 flat-top billet upper receiver

  • Installed forward assist and dust cover

  • 15" free-floating M-LOK handguard

  • Five handguard color options

  • Optional bolt carrier group and charging handle

Specifications

AttributeSpecification
Product CodeMAR-243-20-SS-TRI
PlatformAR-10
Caliber.243 Winchester
Barrel Length20 inches
Barrel Material416 Stainless Steel
Twist Rate1:8 RH
Gas SystemRifle-length
Gas Block Diameter.750"
Upper ReceiverA3 flat-top billet aluminum
Forward AssistInstalled
Dust CoverInstalled
Handguard15" free-floating M-LOK
Handguard ColorsFDE, Burnt Bronze, Grey, Cobalt Blue, OD Green
Muzzle DeviceA2 flash hider — pending confirmation
Bolt Carrier GroupOptional
Charging HandleOptional
Lower ReceiverNot included

Package Includes

  • AR-10 .243 Winchester upper assembly

  • 20" stainless steel barrel

  • 15" free-floating M-LOK handguard in selected color

  • Installed forward assist and dust cover

  • Muzzle device as confirmed for final production configuration

Bolt carrier group and charging handle are optional. Lower receiver is not included.

Frequently Asked Questions

What handguard length is used in the updated configuration?

The updated assembly features a 15-inch free-floating M-LOK handguard.

Which handguard colors are available?

FDE, Burnt Bronze, Grey, Cobalt Blue, and OD Green.

Are the bolt carrier group and charging handle included?

No. They are available as optional components.

Product Image Notice

Images may not be the exact representation of the product.

Compare all .243 Win AR-10 uppers at Moriarti Armaments.

  • 0%
  • 0%
  • 0%
  • 0%
  • 0%

Reviews Over AR-10 .243 Winchester 20" Stainless Steel Upper Assembly – 15" M-LOK

Total Reviews (0)
click here write review to add review for this product.


Tags: 243 win upper, ar-10 243 upper, 20 inch 243 upper, stainless barrel, a2 flash hider, dpms upper

GET10% offwhen you sign up!

* E-Mail:

Offer valid for new subscribers only.
This coupon cannot be combined with other offers.