LAR-15 Line Adds Small-Game Getter!

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Rock River Arms just announced the release of its newest addition to the LAR-15 lineup. The Rock River RRA 17 HMR brings the sizzling .17 HMR cartridge into the company’s AR lineup, providing extended range for rimfire shooters and hunters.

Rock River RRA 17 HMR

This one is all about having an AR-style magnum rimfire for varmints, small game and fun plinking on the range. It utilizes the Rock River Arms A4 billet upper receiver and forged A2 lower. The 18-inch 4150 CMV barrel comes with a 1:9 twist. The carbine employs a delayed blowback gas system managed by gas impingement, built to run 15.5- to 20-grain cartridges.

The rifle also sports RRA’s NM Ultra Match two-stage trigger for realizing accuracy potential. A rear charging handle and winter trigger guard adds to the appeal. The RRA 17 HMR sports a Magpul MOE grip and adjustable Mapgul MOE SL-K six-position stock. An RRA lightweight, 15-inch free-float handguard with M-LOK attachment points provides versatility. A 10-round magazine ships with the rifle.

Suggested retail price is $1,300. For more info, visit

Rock river RRA 17 HMR Specifications

  • ·Upper Receiver: RRA A4 7000 Series billet
  • ·Lower Receiver: forged A2, 7075 T6
  • ·Barrel Chamber: .17 HMR
  • ·Barrel Length: 18 in. / 45.7 cm
  • ·Barrel Material: 41V50 CMV
  • ·Muzzle Thread: ½-28
  • ·Twist Rate: 1:9
  • ·Muzzle Device: A2 flash suppressor
  • ·Method of Operation: gas impingement with delayed blowback
  • ·Charging Handle: rear charging, forged 7075 T6
  • ·Trigger Group: semi-automatic
  • ·Trigger/Hammer: NM Ultra Match 2-Stage
  • ·Selector: two-position (safe/semi-automatic)
  • ·Buttstock: Magpul Moe SL-K 6-position (Mil-Spec)
  • ·Pistol Grip: Magpul MOE grip
  • ·Handguard: 15-in. lightweight aluminum free -float with top rail and M-LOK compatibility
  • ·Magazine: 10-round magazine
  • ·Weight (magazine empty): 6.75 lbs. / 3.1 kg
  • ·Length (stock collapsed): 33.5 in. / 85.1 cm
  • ·Included Accessories: one (1) magazine, user manual
  • ·MSRP: $1,300

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