How to thread a barrel and common thread patterns....

[Quarterbore]

RIFFLE CALIBER THREAD SIZE FROM Dynasystems-ltd.com

WITH UPDATES AND ADDITIONS BY QUARTERBORE

AR-15, M-16, AR-180 .223 (5.56mm) 1/2x28
AR-15, M-16, AR-180 9mm and 7.62x39 1/2x36
AR-10 5/8x24
Ruger Mini 14 (blue) .223 (5.56mm) 9/16x24
Ruger Mini (stainless) .223 (5.56mm) 9/16x24
Ruger Mini 30 (blue, stl) 7.62x39 5/8x24
HK-91/ G-3 308/ 7.62 15x1
HK-93/ 33/ G-53 .223 (5.56mm) 15x1
HK-94/ MP-5 9mm 9/16x24
US M1/M2 Carabine 30 9/16x24
FN-FAL US Match 308 (7.62) 9/16x24
FN-FAL Para/ SAR-48 308 (7.62) 9/16x24
FN Heavy Barrel 308 (7.62) 11/16x24
STEYER AUG .223 (5.56) 13x1 LH
AKM/ AK-47 0.223 14x1 LH
AKM/ AK-47 7.62x39 14x1 LH
GALIL 308 (7.62) 13x1 RH
GALIL .223 (5.56) 13x1 RH
UZI Carabine/ SMG 9mm 5/8x24
UZI Carabine 0.45 5/8x24
M1A/ M-14 308 5/8x24
L1-A1 308 9/16x24
MAS 1949-56 308 17x1

Instructions:

http://dynasystems-ltd.com/threadingkits.htm

Edit: Updated Link to Dynasystems info page