
geissele automatics
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08-639B-Geissele
810081135948
08-639B
The Geissele GFR MOD1 22 ARC 08639B is a precisionoriented Freedom Rifle chambered in .22 ARC with a 20inch Stratomatch matchgrade barrel and a Black finish. Built for accuracy and versatility, this Geissele 08639B features ambidextrous controls for left and righthand operation and ships with one Geissele ICM 8round magazine. Its design emphasizes low recoil, long-range precision, and reliable function in a lightweight, service-quality package.
Ideal for precision target work, training, or varmint/mediumgame use where the .22 ARC's ballistics are desirable, the GFR MOD1 combines Geissele's highend manufacturing and ergonomics with a match barrel for tight groups. Before purchase, confirm specifics such as barrel twist rate, trigger model, overall weight, and included accessories to ensure it meets your mission or range needs, and verify compliance with local laws.
Geissele Automatics has once again raised the bar for AR platforms with the Geissele Freedom Rifle (GFR), setting a new industry standard for performance, reliability, and longevity. Central to the GFR's performance is the Reliability Enhanced Bolt Carrier Group (BCG). This BCG features a properly torqued and staked, chrome-lined gas key, ensuring maximum durability and superior gas sealing. The cam pin is precisely machined, and the carrier's extended upper rails deliver significantly improved stability and feeding reliability during operation.
The Reliability Enhanced BCG is built for extreme performance. The bolt itself is crafted from Carpenter 158+ Steel, a material known for its strength, consistency, and low impurity content. Through a specialized forging process, similar to the one used in Geissele’s upper and lower receivers, the bolt’s grain structure is optimized for unmatched durability, offering five times the lifespan of a mil-spec bolt. To further enhance the BCG’s performance, each component—gas key, cam pin, and bolt—is coated with Geissele's exclusive Nanoweapon DSL (Durable Solid Lubricant), which resists corrosion, wear, and abrasion. Additionally, the coating rejects carbon fouling, reducing the need for excessive lubrication and ensuring smooth, reliable operation in harsh conditions.
The Geissele Freedom Rifle’s upper and lower receivers are engineered for maximum performance and durability. The upper receiver is equipped with heat-treated steel cam races that are riveted in place, providing steel-on-steel contact with the cam pin during cycling. This improves overall lifespan without compromising the receiver’s tight tolerances. Additionally, the forward assist has been repositioned for easier manipulation while a magnified optic is mounted, while the Ambidextrous Super Charging Handle ensures smooth, positive cycling from both sides of the rifle.
The lower receiver draws inspiration from Geissele’s renowned Super Duty Line, featuring components like the Maritime Bolt Catch, checkered takedown pins, and a stainless steel magazine catch. To improve the fit between the upper and lower receivers, the lower features a spring-loaded tensioning plunger that reduces wobble, creating a more solid connection. The magwell has been aggressively flared and optimized to work seamlessly with Geissele’s dedicated 6MM ARC magazines. For improved ergonomics and handling, every GFR is equipped with a reduced-angle Geissele Grip, offering a more modern, natural primary point of contact.
The barrel of the Geissele Freedom Rifle is precision machined and cold hammer forged from the highest-quality steel, ensuring exceptional accuracy and long-term durability. Each barrel undergoes rigorous High-Pressure Testing (HPT) and Magnetic Particle Inspection (MPI) to guarantee reliability and optimal performance. To further enhance durability, the GFR features the exclusive Anti-Strike Super Compact Block. Developed specifically for the USG (U.S. Government), this gas block offers additional clearance between the gas block and rail, preventing strikes that could cause premature damage during impacts. This innovation ultimately increases the lifespan of the rail system and ensures continued reliability over time.
With the Geissele Freedom Rifle, enthusiasts and professionals alike can expect a rifle built to handle the harshest conditions while offering the highest levels of precision, reliability, and longevity in the AR platform market.