AR-15 9" .22LR Dedicated Upper Assembly – 10" M-LOK, Linear Comp, BCG & Charging Handle

.22LR AR Upper: Specs & Features

Enhance your AR-15 platform with our precision-engineered 9" .22LR Dedicated Upper Assembly, perfect for rimfire enthusiasts. This assembly features a high-quality 9-inch barrel, complemented by a 10-inch Slimline Free-Float M-LOK rail, allowing for both lightweight handling and versatile accessory mounting.

The assembly includes a stainless steel bolt carrier group (BCG) and an anti-jam charging handle, ensuring smooth operation even under heavy use. Built with compatibility in mind, our upper is designed to work seamlessly with CMMG .22LR components, offering maximum versatility and performance.

Key Features:

• Caliber: .22LR
• Upper Receiver: Slick Side Forged 7075 T6
• Bolt: Stainless Steel Construction
• Barrel: 9-inch Medium Taper Profile, 1:16 Twist Rate
• Handguard: 10-inch Slimline Free-Float M-LOK
• Muzzle Device: Linear Comp (3.25”)
• Charging Handle: Anti-Jam .22LR

Compatible with standard AR-15 lower receivers, this upper assembly is proudly made in the USA, ensuring top-tier quality and reliability. Additionally, this assembly is fully interchangeable with CMMG or similar .22 components, giving you a high degree of customization.

Barrel Specifications:

• Length: 9 inches
• Material: 4150 Chrome Moly Vanadium
• Profile: Medium Taper
• Finish: SBN (Salt Bath Nitride)
• Twist Rate: 1:16
• Muzzle Thread: 1/2x28 TPI

Ammo Recommendation:
For optimal performance, we recommend using CCI .22LR Mini-Mag 36 Grain Copper-Plated Hollow Point Varmint Ammo (1,260 FPS). Avoid using underpowered or economy-grade ammunition to ensure smooth cycling and reliable performance.

Important Note:
Although .22LR AR builds do not require a buffer or buffer spring, we suggest using them to prevent light primer strikes and ensure the bolt carrier operates effectively. This is especially true for platforms using Ciener/Atchisson-style .22LR components.

FAQ

Will this upper fit my AR-15 lower?

Yes. It fits a standard mil-spec AR-15 lower receiver.

What do I need to run a dedicated .22LR upper?

A .22LR blowback bolt group and .22LR AR-pattern magazines. Using the buffer and spring is recommended for reliable cycling and to help prevent light strikes.

What twist rate does it use?

A 1:16 twist, the standard rate for .22LR.

Related: .22LR AR uppers and kits · all AR-15 upper assemblies

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