entermeasure
      All Measurements in Inches  
Cylinder Diameter   A  
Cylinder Length   B  
Contoured End Diameter   C  
Cylinder + Contoured Length   D  
Radius (Standard 30")   E  
Muzzle Diameter   F  
Barrel Length   G  
         
     
6mm (.243")
6.5mm (.264")
7mm (.284")
.308"
.338"
 
Caliber
 
         
Material     
Stainless Steel (416)
Chrome Moly (4142)
 
         
Fluted?     
 
Number of Flutes      
Flute Width    
Flute Depth    
Flute Length    
Flute Weight      
Total Estimated Weight      

   
McGowen Precision Barrel’s Weight Estimator is not a guarantee of exact weight of finished barrel. See a list of standard measurements for reference below. The standard radius (E) is 30″. Please note, not all custom contours are possible due to safety concerns. This tool is for weight estimates only.

 

McGowen Barrel Weight Calculator

Contour
A
B
C
D
E
F
G
Ultra Light Sporter #1 1.18″ 2.25″ .780″ 4.75″ 30″ .570″ 22″
Regular Sporter #3 1.20″ 2.5″ .860″ 5.00″ 30″ .625″ 26″
Medium Sporter #4 1.20″ 2.62″ .860″ 5.12″ 30″ .650″ 28″
Medium Target #7 1.20″ 3.12″ 1.20″ 3.12″ 30″ .875″ 32″
Heavy Target #8 1.20″ 3.25″ 1.20″ 3.25″ 30″ 1.00″ 26″
Douglas #1 1.20″ 2.25″ .600″ 5.25″ 30″ .560″ 22″
Douglas #5 1.20″ 2.75″ .950″ 4.75″ 30″ .70″ 26″