Bartlein Barrels, Inc.
Manufacturers of Precision Single-Point Cut Rifled Barrels

"On the Cutting Edge of Barrel Technology"

 

 

Calibers

 

 

Caliber # of Grooves Bore Diameter Groove Diameter Twist Comments
.20 5 .199 .204 1-9,10,11,12,13  
.22RF 5, 6 .217 .222 16  
5.56mm/22 CF 4, 5R .218/.219 .224 1-7 thru 1-14  
6mm 4, 5R .236/.237 .243 1-7.5 thru 1-15  
.257 4 .250 .257 1-10  
6.5mm 4, 5R .256 .264 1-8, 8.5 and 9  
.270 4 .270 .277 1-10  
7mm 4, 5R .277 .284 1-8 thru 1-10  
.30 cal Tight 4, 5R .298 .3065-.3080 1-9 to 1-14  
.308 4, 5R .300 .308 1-9 thru 1-18  
8mm 4, 5R .311/.315 .323 1-10  
.338 5R, 6 .330 .338 1-10  
.50 7, 8 .500 .510 1-15  
20mm 8, 9, 15 * * * Call for pricing and details
  1. Bore Diameter tolerance = +.0005
  2. Groove Diameter tolerance = +.0005
  3. Bore and Groove uniformity along entire length of barrel +.0001/-.0000
  4. Twist uniformity is best in the industry. Twist can be carried out to the 4th decimal point. Example: 11.3642   A Bartlein Barrels Exclusive!
  5. In addition to Standard/Conventional Rifling, we can also do 5R
  6. Non-standard twist, add $20.00
  7. Non-Standard Bore/Groove dimensions, Please call
  8. Non-Standard Groove width or number of grooves, Please call
  9. Any barrel groove not listed, add $100

*** More calibers will be added as tooling gets completed.

If you have an immediate need, Please call for more details.

 

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