Home Up Ball size After Market Barrel Size Stock Barrel Size

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Here are the most common types of aftermarket barrels with their respective sizes. These numbers come from numerous websites and resources from the manufacturers. Unfortunately, not all manufacturers will release their numbers. Click here for stock barrel sizes and paintball sizes.

 
Model Lengths Step? Advertised Bore Measured Bore Bore Description
DYE          
Standard, stainless 10", 12", 14" N .691 .689 - .691 Medium
Standard, aluminum 10", 12", 14" N .691 .689 - .691 Medium
BoomStick (Ironmen Series) 14", 16", 18" Y .688 .688 - .689 Small
LAPCO          
Autospirit, stainless 11.5" N(a) .687 .687 Small
Autospirit, aluminum 11.5" N(a) .686 .686 Small
Bigshot, stainless 11.5" N(a) .689 .689 Medium
Bigshot, aluminum 11.5" N(a) .689 .689 Medium
Bigshot Custom 11.5" N(a) .689 - .693 N/A Medium to large
Two-piece (coming this summer?) N/A Y .687 (est.) .687 (est.) Small
Smart Parts          
All American, Aluminum, light gray back 12", (14"*), 16" Y .685 .684 - .686 Small
All American, Aluminum, black back 12", (14"*), 16" Y .689 .689 - .691 Medium
All American, Aluminum, dark gray back 12", (14"*), 16" Y .692 .691 - .693 Large
All American, stainless 14" Y .689 .689 - .690 Medium
Smart Stainless, one-piece 12" N .689 .688 - .689 Medium
Teardrop 12" N .689 .689 - .690 Medium
Boss Progressive 12" N .689 .689 - .690 Medium
Venturi 8", 12" N .689 .689 - .691 Medium
Taso          
Eliminator, aluminum 8.5", 10", 12", 14" N .691 .688 - .691 Medium
Power barrel, aluminum 8.5", 10", 12" N .691 .686 - .690 Medium
Pro-Series, stainless 8.5", 10", 12", 14" N .691 .691 - .692 Medium
Stone Cold, two-piece 14" Y .691 N/A Medium
32 Degrees          
Terminator 12", 14" N .689 .690 - .692 Medium
Stainless 12" N .689 .690 - .691 Medium
Carbon Fiber 10", 12", 14" Y .689 .691 Medium
J&J Performance          
All are various bore sizes Various (12"c, 14"c) N(b) Various (.688c) N/A (Medium to small)c
AKA          
Javelin, supertight 10", 12", 14" N(a) .684 .682 - .685 Very small
Javelin, standard 10", 12", 14" N(a) .687 N/A Small
BOA          
Muzzle Brake, standard 8", 10", 12", 14", (f) N .692 N/A Medium to large
Muzzle Brake, tigh 8", 10", 12", 14", (f) N .688 N/A Small
Express, standard 8", 10", 12", 14", (f) N .692 .692 Medium to large
Express, tight 8", 10", 12", 14", (f) N .688 .687 Small
Constrictor, standard 8", 10", 12", 14", (f) N .692 N/A Medium to large
Constrictor, tight 8", 10", 12", 14", (f) N .688 N/A Small
Concealor, standard 8", 10", 12", 14", (f) N .692 N/A Medium to large
Concealor, tight 8", 10", 12", 14", (f) N .688 N/A Small
Bob Long          
Long Shot, aluminum, small bore 10", 12", 14" N .687 or .688 N/A Small
Long Shot, stainless, small bore 10", 12", 14" N .687 or .688 N/A Small
Long Shot, aluminum, medium bore 10", 12", 14" N .689, .690, or .691 N/A Medium
Long Shot, stainless, medium bore 10", 12", 14" N .689, .690, or .691 N/A Medium
Long Shot, aluminum, large bore 10", 12", 14" N .693 N/A Large
Long Shot, stainless, large bore 10", 12", 14" N .693 N/A Large
Air Concept Industries          
Zero Gravity, one-piece 11", 13.5" N .684 - .692(c) .691 - .694(c) Large(c)
Zero Gravity, combo (two-piece) 12.5", 14" Y .684 - .692(c) N/A Large(c)
Zero Gravity, Grafitti series 12.5", 14" Y .684 - .692(c) .695(c) Large(c)
Armson          
Pro Series 8", 10", 13", 16" N (.692d) .689e .689 - .694*** Large
Stealth 8", 10", 13", 16" N (.691d) .688e .687 - .691*** Small
Check-It          
Stainless Armageddon 10", 12", 14" N .689 N/A Medium
Dragon barrel, two-piece 12", 14" Y .689 or .692 N/A Medium to large
Pursuit Marketing, Inc,          
Perfect Bore, aluminum and ceramic 12", 14" N .691 .689 - .690 Medium
Perfect Bore, stainless 12", 14" N .691 .688 - .690 Medium
Jacko          
Infinity Blood-Red 12", 14" Y .686 .686 Small
Infinity Standard 12", 14" Y .689 .689 Medium
Rekka          
Rekka Standard 12" N .687 N/A Small
A.N.S.          
3-D stainless 12" N(a) .6865- .687- .6875 .687 - .689 Small
3-D aluminum 12" N(a) .6865- .687- .6875 N/A Small
SLO          
Stainless 8", 10", 12", 14" N .689 N/A Medium
Aluminum 8", 10", 12", 14" N .689 .687 - .689 Medium

* Special order barrel
** Taken from Action Pursuit Games, Dec '98
*** Most likely due to difficulties measuring the polygonal rifled surface
"a"- Not a typical stepped-bore barrel (step section either grows slowly, or the step section is no longer than 3")
"b"- Available in stepped-bore format
"c"- Denotes the commonly found size
"d"- Denotes breech bore size
"e"- Denotes effective bore size
"f"- Custom lengths available

 
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