Faxon 12" AR-15 Upper Receiver Grendel Carbine Barrel

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Faxon 12" 6.5 Grendel Carbine Barrel, Nitride - 15BG8C12NGQ-5R-NP3


Quick Overview

SKU: 5165448495
UPC: 816341023666
MFR#: 15BG8C12NGQ-5R-NP3
  • Caliber: 6.5 Grendel Type II
  • Length: 12”
  • Barrel Type: 5R Button Rifled
  • Barrel Profile: GUNNER
  • Twist: 1:8
  • Gas System: Carbine
  • Material: 416R Stainless Steel
  • Muzzle Thread: 5/8 -24 TPI
  • Gas Block Diameter: .750”
  • Barrel Extension: M4, Nickel Teflon Coated
  • Weight: 1.27 lbs
  • MPI Tested: Yes

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Faxon Firearm’s Gunner profile is a blend of two of the best performing profiles of all time, Gov't and Pencil. Proving that every once and awhile, the Government can do something right, the Gunner's profile from the extension to the gas block mimics that well-known taper. From there, innovation takes over and the Gunner moves to a .750" gas block journal and Faxon’s famed pencil profile out front. Removing the weight from the front of the barrel ensures maximum versatility and keeps material to the rear to maximize heat resistance and mitigate whip.

Manufactured 100% in-house from gun-barrel-quality bar-stock, the Match Series starts with 416-R in 5R rifling. 5R is a hybrid rifling, with lands opposite grooves and reduced sharp angles that reduces jacket deformation increasing velocity and easy cleaning. After rigorous testing, the barrels are Nitride treated inside and out, locking in the bore, improving barrel life, and keeping the elements at bay.  The extension is coated in Nickel Teflon which maintains incredible dry lubricity, corrosion resistance, and with the coating, tightens up fit between the extension and receiver - again improving upon accuracy. Combined, the Match Series of barrels are ready for when duty calls or the buzzer beeps with unrivaled performance value.


Palmetto State Armory is the leader in Modern Sporting Rifles and accessories at the best prices around!

SKU: 5165448495
SKU 5165448495
Department AR Parts
Brand Faxon Firearms
Daily Deal No
Daily Deal Expires No
Unit Price N/A
Youtube Video No
Free Shipping? No
Free Shipping Qty Label No
Free Shipping Qty No
SKU: 5165448495

Questions and Answers

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Browse 2 questions Browse 2 questions and 3 answers
Will this barrel swap out with a standard psa upper?
MikeP on Feb 9, 2019
BEST ANSWER: Yes it will! Any barrel will work in ar15 platform. With 6.5 grendel type 2 bolt, not type 1. The rest remains the same. Don’t forget gas block and tube for what barrel calls for. It is a very accurate barrel!
Is the gas port pre drilled?
Aric B on Dec 5, 2018
BEST ANSWER: Gas port is drilled but not screw detent for gas block.


5.0 / 5.0
2 Reviews
5 Stars
4 Stars
3 Stars
2 Stars
1 Star
Grendel Pistol Build
This barrel was perfect for my Grendel pistol build. This build is specifically for deer hunting, so I wanted light weight, accuracy, and resistance to foul weather, and this barrel was a perfect match to my needs. I only use factory Hornady 123 grain SST loads, and I can maintain pretty close to 1 MOA accuracy, 3 shot groups, if I do my part. Excellent fit and finish, and the bore was mirror bright. Very minimal copper fouling, but I expect this will disappear with more shooting. I would buy Faxon again without hesitation, and plan to do so.
February 8, 2019
10 months ago
Great price and product!!!
1/2” group at 100 yards. Can I say more?
November 8, 2018
1 year ago

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