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Questions & Answers
Does this barrel really weigh 4 pounds? Expert Answer

This barrel weighs 1.25 lbs.

by Nick B., Gear Expert, October 27, 2021
Customer Reviews
Helpful Positive Review
Awesome barrel! by Matthew Middleton, Verified Owner, August 22, 2021
I purchased this Criterion hybrid 300 blackout 10.5” barrel from Optics Planet. I purchased a Rubber City Armory black nitride BCG and head spaced checked it. The BCG was a perfect match. At the range it performed flawlessly and with really good a...
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3/3 found this helpful
Helpful Negative Review
Wouldn't headspace. by AG, Verified Owner, September 12, 2020
I ended up trying 4 different bolts from 4 different manufacturers. None of them would close on a go gauge with the extractor/ejector removed. I contacted Criterion throughout that process and got responses saying due to stacking, this was normal. If...
Read More...
8/11 found this helpful
Read All 2 Reviews
Color:
Black
Finish:
Nitride
Fabric/Material:
SS-416R
Caliber:
.300 AAC Blackout
Barrel Length:
10.5 in
Barrel Profile:
Hybrid
Gas System Length:
Pistol Length
Gas Block Journal Size-Diameter:
.750 in
Barrel Twist Rate:
1-7
Gun Make:
AR Platform
Gun Model:
AR-15
Weight:
4 lb
Condition:
New
Gun Type:
Rifle
Firearms Threads Per Inch:
5/8x24

Code: 2RR-ATB-EDCVR-300B-10HY3

MPN: 300B-10HY3

Product No Longer Available

Product Info for Criterion Barrels AR15 Barrels, Nitride

Improve your accuracy and overall performance at the range by installing a Criterion Barrels AR15 Barrels, Nitride. Criterion Barrels crafted these Rifle Barrels with a nitride finish that enhances their corrosion resistance and resistance to corrosive elements and harsh environments. The Criterion Barrels 10.5" Hybrid Barrel is designed for both handgun and AR platforms, ensuring each shot has a consistent point of impact. Compared to shorter barrels, this 10.5" gives you enough space for lights, lasers, tape switches and other accessories you want to install. Whether you're a tactical or accuracy-minded shooter, the Criterion Barrels 10.5" Hybrid Rifle Barrels will deliver the performance you demand out of your weapon.image

Features of Criterion Barrels AR15 Barrels, Nitride

  • M4 Style Barrel Extension
  • 750" Gas Block, dimpled for ease of installation
  • Hand-lapped rifling for a pristine internal finish; aids in barrel cleaning and paramount for accuracy
  • Finely polished chambers for reliable extraction
  • 5/8x24 TPI muzzle threads compatible with a wide range of muzzle devices
  • Nitride finish for corrosion resistance and improved barrel life

Package Contents:

  • Criterion Barrels AR15 Barrels, Nitride

Gunsmithing Tools & Accessories

115 / 15
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Magazine and Accessories

121 / 21
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Gun Parts and Accessories

129 / 29
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Gun Sights

118 / 18
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Gun Barrels

112 / 12

Gun Triggers

115 / 15
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Criterion Barrels AR15 Barrels Accessories

114 / 14
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Gun Stocks

116 / 16
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Mounts, Rings and Accessories

119 / 19
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Criterion Barrels AR15 Barrels, Nitride Unavailable & Discontinued Models

List of Unorderable Models

  • Criterion Barrels AR-15 Barrel, 10.5 in, Nitride, Blackout, 300B-10HY3 , MPN: 300B-10HY3 , Code: 2RR-ATB-EDCVR-300B-10HY3
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