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5'' 5.56 NATO 1:5 5R Twist Nitride Pistol Barrel and Micro Gas Tube and Gas Block Options| Made in U.S.A

5'' 5.56 NATO 1:5 5R Twist Nitride Pistol Barrel and Micro Gas Tube and Gas Block Options| Made in U.S.A
5'' 5.56 NATO 1:5 5R Twist Nitride Pistol Barrel and Micro Gas Tube and Gas Block Options| Made in U.S.A
5'' 5.56 NATO 1:5 5R Twist Nitride Pistol Barrel and Micro Gas Tube and Gas Block Options| Made in U.S.A
5'' 5.56 NATO 1:5 5R Twist Nitride Pistol Barrel and Micro Gas Tube and Gas Block Options| Made in U.S.A
-50 %
5'' 5.56 NATO 1:5 5R Twist Nitride Pistol Barrel and Micro Gas Tube and Gas Block Options| Made in U.S.A
5'' 5.56 NATO 1:5 5R Twist Nitride Pistol Barrel and Micro Gas Tube and Gas Block Options| Made in U.S.A
5'' 5.56 NATO 1:5 5R Twist Nitride Pistol Barrel and Micro Gas Tube and Gas Block Options| Made in U.S.A
5'' 5.56 NATO 1:5 5R Twist Nitride Pistol Barrel and Micro Gas Tube and Gas Block Options| Made in U.S.A
5'' 5.56 NATO 1:5 5R Twist Nitride Pistol Barrel and Micro Gas Tube and Gas Block Options| Made in U.S.A
  • Stock: In Stock
  • Model: BRPIS-MICRO+GT-MICRO+GB-
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$79.99
$159.99

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Barrel Features:

Length: 5" 

5.56 Nato

1:5 5R Twist

.750" Gas Block Diameter

Proprietary Micro Pistol gas system

Thread Pitch 1/2"X28

4150 Chrome Moly Vanadium

Finish: Black Nitride Finish

Made in USA

Fits: Ar-15

Notice: Proprietary gas tube will be needed to make this barrel function


Micro Gas Tube Features: 

Proprietary gas tube made for MICRO gas System 

Smaller than Pistol length gas tube 

Length: 5 7/8 

OD: 0.180 on button end 

Material: Stainless Steel 

Included: Roll pin 


Gas Block Options

.750 Adjustable: GB750US-ADJ

.750 Standard: GB01-B

.750 Standard Stainless: GB01-S

.750 Clamp on: GB06

.750 Clamp on Stainless: GB06-S

.750 Standard Caged Black: GBUS

.750 Standard Caged Stainless: GBUS-S


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WARNING to California Residents:⚠️ According to California's Proposition 65, some products sold on this website may expose you to chemicals which are known to the State of California to cause cancer, birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.
Tags: 5 Inches , 556 , NATO , 1in5 , 5R , Twist , Nitride , Pistol Barrel , Made in U.S.A , and , Gas Block , Options , OutdoorSportsUSA
HB 1240 Compliance
Important Update: In compliance with HB 1240, we regret to inform our valued Washington State customers that we are no longer offering AR-style product for sale in the state. We appreciate your understanding and support as we continue to provide a wide range of other high-quality product. For more information on HB 1240 and its impact on our inventory, please visit the official webpage of HB 1240 (https://app.leg.wa.gov/billsummary?BillNumber=1240&Year=2023) or feel free to contact our customer service team.