If you’re looking for a large frame AR platform in the tried and true .308, then look no further. The XO platform with carbon fiber 20-inch trim is a lightweight, accurate, hard hitting carbine. Available with a 20-inch Proof Research barrel. The longer barrel ensures that you can extract maximum velocity from your projectiles. Ambidextrous controls make operating the XO a cinch for any shooter and the 48-position adjustable gas block allows fine-tuned adjustment for various ammunition and suppressed or non-suppressed shooting.
Included color/finish:
Customers must read compliance statement before purchasing.
Barrel Length:
Overall Length:
Weight:
Barrel | PROOF Research 20” carbon fiber wrapped barrel 1:10 twist |
Receivers | NEMO matched billet upper and lower receiver set, 7075-T6 aluminum with full ambi (safety, mag and bolt release) – manufactured in-house. |
Handguard / Forearm | 14.75” 6061 extruded aluminum, M-LOK modular rail mounting system Lightweight heat dissipating barrel nut 7075-T6 aluminum – manufactured in-house |
Picatinny Rail Height | High DPMS profile / M5 compatible |
Picatinny Rail Angle MOA (Minute Of Angle) | 0 |
Bolt | High Pressure bolt 9310 heat treated Cryo’d shot peened MPI (magnetic particle inspection) Nickel Boron coated – manufactured in-house |
Bolt Carrier Group | NEMO’s patented Recoil Reduction Bolt Carrier – 8620 steel, heat treated, Nickel Boron coated – manufactured in-house |
Trigger | TRIGGERTECH™ flat adaptable trigger* *based on availability. Trigger may be replaced with comparable trigger. |
Gas System | 48-position adjustable gas system for suppressed and un-suppressed use Severe duty threaded stainless gas tube rifle length gas system |
Charging Handle | Radian ambidextrous charging handle |
Muzzle | NEMO DC-1 6AL-4V Titanium dual chamber muzzle device |
Safety | Ambidextrous safety selector |
Buffer Tube | 7075-T6 aluminum 7-postion carbine length anti-tilt buffer tube; mil-spec outer diameter |
Buffer Assembly | Tuned steel faced buffer system |
Stock | MAGPUL CTR Mil-Spec diameter carbine stock |
Grip | MAGPUL MIAD grip |
Magazine | MAGPUL 20-round Gen3 P-MAG (10-round replacement for ban restricted states) |
Additional Features | Chrome silicon recoil spring Tool steel extractor Titanium through drilled takedown and pivot pins |
Warranty | Limited lifetime warranty |
Optic | Ready for optic of choice – none included |
Also ships with | * Savior® black, double rifle range bag w/ NEMO patch * Owners manual w/ product registration |
Specific components are subject to availability. When substitution are made, we use components of comparable or better quality.
Barrel Length:
Overall Length:
Weight:
Barrel | PROOF Research 20” carbon fiber wrapped barrel 1:10 twist |
Receivers | NEMO matched billet upper and lower receiver set, 7075-T6 aluminum with full ambi (safety, mag and bolt release) – manufactured in-house. |
Handguard / Forearm | 14.75” 6061 extruded aluminum, M-LOK modular rail mounting system Lightweight heat dissipating barrel nut 7075-T6 aluminum – manufactured in-house |
Picatinny Rail Height | High DPMS profile / M5 compatible |
Picatinny Rail Angle MOA (Minute Of Angle) | 0 |
Bolt | High Pressure bolt 9310 heat treated Cryo’d shot peened MPI (magnetic particle inspection) Nickel Boron coated – manufactured in-house |
Bolt Carrier Group | NEMO’s patented Recoil Reduction Bolt Carrier – 8620 steel, heat treated, Nickel Boron coated – manufactured in-house |
Trigger | TRIGGERTECH™ flat adaptable trigger* *based on availability. Trigger may be replaced with comparable trigger. |
Gas System | 48-position adjustable gas system for suppressed and un-suppressed use Severe duty threaded stainless gas tube rifle length gas system |
Charging Handle | Radian ambidextrous charging handle |
Muzzle | NEMO DC-1 6AL-4V Titanium dual chamber muzzle device |
Safety | Ambidextrous safety selector |
Buffer Tube | 7075-T6 aluminum 7-postion carbine length anti-tilt buffer tube; mil-spec outer diameter |
Buffer Assembly | Tuned steel faced buffer system |
Stock | MAGPUL CTR Mil-Spec diameter carbine stock |
Grip | MAGPUL MIAD grip |
Magazine | MAGPUL 20-round Gen3 P-MAG (10-round replacement for ban restricted states) |
Additional Features | Chrome silicon recoil spring Tool steel extractor Titanium through drilled takedown and pivot pins |
Warranty | Limited lifetime warranty |
Optic | Ready for optic of choice – none included |
Also ships with | * Savior® black, double rifle range bag w/ NEMO patch * Owners manual w/ product registration |
Specific components are subject to availability. When substitution are made, we use components of comparable or better quality.
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Welcome to NEMO Arms, Inc. Our site is intended for individuals who are at least 18 years of age.
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.
Magazines will be removed from firearms when shipping to states with magazine capacity restrictions.
These items are controlled by the U.S. Government and authorized for export only to the country of ultimate destination for us 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 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.
On November 8, 2023, the United States District Court for the Northern District of Texas granted the Plaintiff’s motion for a preliminary injunction staying ATF’s recently enacted rule regarding stabilizing/arm braces for pistols in its entirety. A copy of the court’s order has been made available to me.
ATF appealed this decision to the United States Court of Appeals for the Fifth Circuit on November 29, 2023, and that appeal is currently pending. As a result, the legal status of stabilizing/arm braces for pistols has not been resolved with finality and is subject to change via this appeal, or otherwise, without warning or notice. Buyer accepts sole responsibility for any such legal changes and their impact on the status of the purchased firearm, and acknowledges that all sales of stabilizing/arm brace equipped firearms are final.
If there are any questions regarding this document please do not hesitate to contact us.
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