AR-10 .243 Win 24" Stainless Steel Tactical Upper Assembly – M-LOK, Tanker Brake

AR-10 .243 Win 24" Stainless Steel Tactical Upper Overview

The AR-10 .243 Win 24" Stainless Steel Tactical Upper Assembly is built for long-range accuracy. Its 24" 416 stainless steel barrel is hardened to 26-32 RC, stress relieved and button rifled with a 1:8 RH twist, and a nitride Tanker muzzle brake tames recoil for fast follow-up shots.

Specifications

Key features

• 24" stainless barrel for maximum velocity and long-range accuracy.
• Button rifling and stress relief for consistent groups.
• Tanker brake reduces recoil and muzzle rise.
• Free-float M-LOK rail.

Note: Bolt carrier group and charging handle are not included. Use a standard .308 Winchester AR-10 BCG and charging handle; .243 Win shares the .308 bolt face. Images may not be an exact representation of the product.

FAQ

Stainless or nitride barrel: which is better?

Both resist corrosion. Stainless barrels are popular for precision because of consistent machining and accuracy; nitride-finished alloy barrels are usually tougher on the surface. For a long-range .243, stainless is the classic choice.

Will this .243 upper fit my AR-15 lower?

No. .243 Winchester is a .308-family cartridge and needs a large-frame AR-10 lower. This upper fits Moriarti and DPMS-pattern (LR-308) low-profile lowers; fit can vary on other large-frame patterns.

What magazines and bolt do I need?

Standard .308 / 7.62x51 AR-10 magazines and a standard .308 AR-10 bolt carrier group work with .243 Winchester.

Do I need an FFL to buy this upper?

No. An upper assembly is not the serialized part of the firearm, so it ships directly to you where legal. Check your state and local laws before ordering.

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