Take your rimfire shooting to the next level with this custom-built AR-22 precision rifle chambered in .22 Long Rifle (.22 LR). Configured with a heavy-profile 24-inch Green Mountain barrel, a precision-focused BoreBuddy upper, and premium components, this rifle is designed for target shooting, rimfire practice, and precision-oriented range use.

The rifle features a BoreBuddy AR22 Heavy Precision Upper with a 24-inch Green Mountain barrel and a 1:12 twist rate. Comes with the precision bundle installed for ultimate accuracy.  The heavy barrel configuration provides a substantial platform for precision rimfire shooting. The rifle comes bore sighted to help establish an initial optic alignment before live-fire sight-in at the range.

A TriggerTech Diamond AR trigger provides a premium trigger upgrade, while the PSA AR-15 Complete Stealth Lower with MOE EPT components serves as the rifle’s lower receiver assembly. Anti-walk pins are included to help keep the trigger pins securely in position.

The optics package includes a Vortex 4-24x50mm second-focal-plane riflescope mounted using a LaRue quick-detach (QD) scope mount. This variable-power optic offers magnification options for close-range target acquisition and more detailed observation of small rimfire targets at distance.

For added versatility on the range, the rifle is equipped with an MDT carbon-fiber bipod with an ARCA attachment and a 9.45-inch ARCA rail. This combination provides a support platform for bench shooting and other precision-oriented shooting positions.

Magazine options include a 10-round KRISS magazine as part of the BoreBuddy precision bundle and an additional 15-round BoreBuddy KRISS AR-22 magazine.

Features and Specifications

• Manufacturer: Three Oaks Tactical – Custom Build
• Platform: AR-22
• Caliber: .22 Long Rifle (.22 LR)
• Upper Receiver: BoreBuddy AR22 Heavy Precision Upper with accuracy kit installed
• Barrel: 24-inch Green Mountain heavy-profile barrel
• Barrel Twist Rate: 1:12
• Lower Receiver Assembly: PSA AR-15 Complete Stealth Lower with MOE EPT components
• Trigger: TriggerTech Diamond AR
• Optic: Vortex 4-24x50mm riflescope
• Optic Focal Plane: Second focal plane
• Scope Mount: Quick-detach (QD)
• Bipod: MDT carbon-fiber bipod with ARCA attachment
• ARCA Rail: 9.45-inch rail
• Additional Components: Anti-walk trigger pins
• Magazines: One 10-round KRISS magazine and one 15-round BoreBuddy KRISS AR-22 magazine
• Bore Sighting: Included

A Purpose-Built Precision Rimfire Platform

Whether you’re practicing fundamentals, working on precision marksmanship, or enjoying an extended day at the range, this custom AR-22 combines a heavy Green Mountain barrel, upgraded trigger, variable-power Vortex optic, and adjustable shooting support in one integrated package.

The .22 LR chambering offers an economical way to spend more time practicing with a rifle-style platform. The included optic and bipod help make the rifle a complete range-oriented package without requiring you to source the primary accessories separately.

Offered by Three Oaks Tactical, this custom configuration brings together components from BoreBuddy, Green Mountain, TriggerTech, Vortex, MDT, and PSA.

Important: Bore sighting is an initial alignment only and does not guarantee zero. Confirm the rifle’s zero at a safe shooting range before use. Verify magazine capacity, compatibility, and applicable federal, state, and local requirements before purchase or transfer. Specifications and included accessories should be confirmed with Three Oaks Tactical before ordering.

Once ordered; it will take 3-4 weeks to acquire the components and build your ultimate .22 LR AR platform.

NOTE: Price is negotiable depending on the omission or substitution of some components.

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