FAR-22LR Peerless NM A4 Upper

SKU: FAR-22-NMA4

$999.95

New for 2026! Lead Times: 4-6 Weeks

A dedicated .22 LR Service Rifle Upper featuring a 20-inch Fulton Armory match-quality barrel, BoreBuddy bolt carrier group and counterweight, and a free-floated A2-style handguard. Built for dependable rimfire training and ready to install on a standard Mil-Spec AR-15 lower receiver.

Description

Unlike a standard drop-in rimfire conversion, the Fulton Armory Dedicated .22 LR Service Rifle Upper is built from the ground up for .22 LR. At its core is a 20-inch Fulton Armory match-quality barrel made from 416 stainless steel and cut with a 1:16 twist.

The upper uses a purpose-built BoreBuddy .22 LR bolt carrier group with a counterweight. By adding mass to the bolt assembly, the counterweight helps smooth operation and improves reliability across a wider selection of .22 LR ammunition, including heavier bullet weights.

To give Service Rifle shooters the familiar feel they expect, the barrel is surrounded by a CMP/NRA-style steel float tube concealed beneath a traditional USGI-style A2 round handguard. The finished upper retains the appearance, balance, and shooting position of a Service Rifle while allowing the barrel to remain free-floated for greater consistency and accuracy.

A 10-round KRISS .22 LR magazine is included. Its last-round bolt hold-open follower provides familiar feedback when the magazine is empty.

This upper is an excellent option for lower-cost practice, rimfire competition, or year-round training without using up your centerfire ammunition. It installs directly onto a standard Mil-Spec AR-15 lower receiver, giving you a dedicated .22 LR training platform without the compromises of a basic conversion kit.

Standard Features

  • Upper Receiver: Numbered A3/A4 flat-top; forged, machined, anodized, and Teflon-coated to Mil-Spec
  • Barrel: Fulton Armory 20-inch dedicated .22 LR match-quality barrel
  • Barrel Material: 416 stainless steel
  • Twist Rate: 1:16
  • Muzzle: Threaded
  • Bolt Carrier Group: Purpose-built BoreBuddy .22 LR BCG
  • Bolt Counterweight: BoreBuddy counterweight system
  • Handguard: 12-inch USGI round A2-style handguard modified to accommodate the float tube
  • Float Tube: 1.375-inch CMP/NRA-style steel float tube
  • Front Sight/Gas Block: Low-profile steel, .750 inch
  • Muzzle Device: A2 flash suppressor
  • Magazine: One 10-round KRISS .22 LR magazine with a last-round bolt hold-open follower
  • Compatibility: Installs on a standard Mil-Spec AR-15 lower receiver

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