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Geissele GRF 6mm ARC 16" Bbl DDC Rifle w/(1) 5rd 6mm ARC Geissele Mag 05-1521S

SKU 05-1521S-Geissele

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List Price $3,650.00
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FFL Requirements
This item can only be shipped to a Licensed Federal Firearms Dealer. Please see our Shipping Policy to review firearms shipping requirements.
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Government Export Restriction
This item may be regulated for export by the U.S. Department of State or the US Department of Commerce. Please see our Export Policy.


Geissele Automatics sets a new standard for AR platforms with the Geissele Freedom Rifle (GFR). The heart of the GFR is the Reliability Enhanced Bolt Carrier Group. This BCG is outfitted with a properly torqued and staked, chrome lined, gas key. The Reliability Enhanced BCG’s cam pin is precisely machined and the carrier’s extended upper rails provide much greater stability and significantly increases feeding reliability. The Reliability Enhanced BCG’s bolt itself is constructed using Carpenter 158+ Steel, which is considerably stronger, has less impurities, and offers more consistency. The bolt is then forged using the same process Geissele uses to forge upper and lower receivers in order to manipulate the grain structure of the metal, resulting in a bolt with 5 times the life span of a mil-spec bolt. In addition, the gas key, cam pin, and bolt are coated with Geissele’s exclusive Nanoweapon DSL (Durable Solid Lubricant). The Nanoweapon DSL offers extreme resistance to corrosion, wear, and abrasion, as well as rejecting carbon fouling to allow the firearm to operate normally with less lubrication.

The GFR's upper and lower receivers have also been optimized for maximum performance. The upper is equipped with properly heat treated steel cam races that are riveted in place to provide steel-on-steel contact with the cam pin when cycling – this results in a longer service life without effecting the tolerances. The forward assist has been moved forward to provide more space to operate the charging handle while a magnified optic is mounted. The upper receiver is completed with Geissele's Ambidextrous Super Charging Handle to ensure positive manipulations. The lower receiver takes much of its design from Geissele's Super Duty Line, evident in parts such as the Maritime Bolt Catch, checkered takedown pins, and stainless magazine catch. The lower features a non-adjustable spring-loaded tensioning plunger installed to reduce wobble and create a tighter fit when the upper and lower receivers are connected. The Magazine well has also been improved with a more aggressive flare that has been optimized for use with our dedicated Geissele 6MM ARC magazines. Every GFR also comes with a new reduced-angle Geissele Grip to provide users with a more modern primary point of contact.

The GFR's barrel is precision machined, cold hammer forged, and made from the highest quality steel available. The barrels are subjected to High-Pressure Testing (HPT) and Magnetic Particle Inspection (MPI) for optimal accuracy and reliability. Additionally, the GFR is outfitted with the exclusive Anti-Strike Super Compact Block which was developed for the USG to give more clearance between the gas block and rail. This allows the rail to deflect further in a drop without striking the gas block, which increases the life span of the rail overall.

Features of the Geissele Freedom Rifle (GFR):

  • Geissele Reliability Enhanced Bolt Carrier Group
  • Geissele Ambidextrous Super Charging Handle
  • Flared magazine well
  • Reduced-angle Geissele Grip
  • Anti-Strike Super Compact Block


  • Caliber:6mm ARC
  • Weight:7.27 lbs
  • Action:Semiautomatic
  • Trigger:GFR-E Standard M4 Bow
  • Safety:Super Configurable Safety Selector
  • Rifle Barrel Length:16"
  • Barrel Thread Pitch5/8x24"
  • Rifle Stock:Geissele BF Buttstock
  • Scope Mount:Full Length Picatinny Rail
  • Magazines Included:(x1) 5-round magazine
  • Iron Sights No
  • Caliber or Gauge:6mm ARC
  • HandednessRight Hand
  • Item ConditionNew
  • Product TypeRifles
  • UPC810081130790
  • MPN05-1521S

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