Out of stock
Rock River Arms NM A4 20" CMP (2016) LAR-15 .223 Wylde Semi-Automatic AR-15 Rifle - AR1289
Out of stock

Rock River Arms NM A4 20" CMP (2016) LAR-15 .223 Wylde Semi-Automatic AR-15 Rifle - AR1289

SKU 775643
Brand Rock River Arms
Model Number AR1289
UPC 842834100507
Customers must read Compliance Information before purchasing.
This product is fulfilled by a PSA Partner and shipping times may vary.

Product Details


  • Series/Collection: NM A4 20" CMP RIFLE (2016) LAR-15
  • Action: Semi-Automatic
  • Stock Type: Operator CAR
  • Trigger Type: 2-Stage
  • Muzzle Type: A2 Flash Hider
  • Magazine Capacity: 20+1
  • Caliber/Gauge: 223 Wylde
  • Twist Rate: 1:8"
  • Orientation: Right
  • Safety: Selector Switch
  • Barrel Material: Heavy Match Stainless Steel
  • Receiver Material: 7075 T6 Forged Aluminum
  • Barrel Finish: Cryogenically Treated
  • Receiver Finish: Black
  • Stock Finish: Black
  • Barrel Length: 20"
  • Overall Length: 37"
  • Weight: 8.7 lb
  • Muzzle Thread: 1/2-28



  • Lower receiver - forged RRA LAR-15
  • Upper receiver - forged A4
  • RRA NM CMP TRO 12-1/2 inches rifle length free float rail handguard, with (3) 11.625 inches rifle length NM TRO modular rails and an nm sling swivel
  • A2 style pistol grip
  • Accuracy - 3/4 MOA at 100 yd
  • 223 Wylde chamber for 5.56mm and 223 caliber
  • Includes - (1) 20 round magazine, RRA case, manual and warranty information


Q & A

Retail Stock


All NFA Rules Apply.
These items are controlled by the U.S. Government and authorized for export only to the country of ultimate destination for use by the ultimate consignee or end-user(s) herein identified. They may not be resold, transferred, or otherwise disposed of, to any other country or to any person other than the authorized ultimate consignee or end-user(s), either in their original form or after being incorporated into other items, without first obtaining approval from the U.S. government or as otherwise authorized by U.S. law and regulations.
Handling firearms or firearms parts can expose you to lead and other petroleum products known to the State of California to cause cancer, birth defects, or other reproductive harm. Wash hands thoroughly after handling. For more information go to www.p65warnings.ca.gov (CA Health and Safety Code Section 25249.6).