Blackfin™ 5.56 AR15 Rifle—16" Barrel with 13" M-LOK® Handguard

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Product Overview

The Saltwater Arms Blackfin Rifle chambered in 5.56 is designed from the ground up to meet the rigorous demands of maritime environments. The rifle is corrosion-resistant and suitable for saltwater and freshwater alike. The rifle features stainless steel and other corrosion-resistant components and is compatible with most AR-platform accessories and furniture. All of our Saltwater firearms, assemblies and components come with our lifetime manufacturer’s warranty. Saltwater Arms is a division of DRG Manufacturing.

Please check with your local, state and federal agencies regarding the legality of use for this product in your area.

Complete Rifle:

  • Caliber: 5.56 NATO
  • Length: 34" Stock Collapsed, 37.25" Stock Extended
  • Overall Weight: 6.26 lbs
  • Operation: Direct Impingement
  • Finish: Hard Coat Anodized Black
  • Upper Receiver: AR15 6061 Billet Aluminum
  • Controls: AR15 Forged 7075 Standard Charging Handle
  • Bolt Carrier Group: M16/5.56 Nickel Boron Coated (NiB-X), 9310 Bolt and 8620 Carrier, Machined Billet Extractor, 8640 Hard Chrome Plated Firing Pin
  • Muzzle Device: 1/2-28 3-Port Brake, Stainless Steel
  • Gas Block: .750" Low Profile, Set Screw Style, Stainless Steel
  • Barrel: 16" 416R Stainless Steel, 1:7 Twist, Mid-Length Gas System, Government Profile
  • Handguard: 13" M-LOK 6061 T6 Extruded Aluminum
  • Lower Receiver: Model Marked SALTWATER ARMS 7075-T6 Forged
  • Trigger: Nickel Boron Coated
  • Receiver Extension 6-Position
  • 30-round Magazine Included
  • Enlarged Trigger Guard and Beveled Magazine Well
  • 100% Made in America

 *** Please note, this is a restricted item and the rifle must ship to a Federally licensed gun dealer. The rifle will ship with a copy of our FFL for your dealer records. You will have an opportunity to upload a copy of your dealer's FFL at checkout. If you do not have a copy, simply have your dealer email a copy to Your order will not ship until we have a copy of the receiving dealer's FFL on file.

Dealers: Please contact our sales team at for dealer pricing and volume discounts.



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