Barrel Information
Important AK BARREL Notes:
DIAMETERS AT KEY POINTS ON VARIOUS RIFLE BARRELS
7.62x39 Caliber
| CHINESE BARREL: | O. D. DIMENSIONS|
| Chamber .764" | (19.25mm w/ .005 - .006" press fit) |
| Rear Sight Base .734" | (18.5mm w/ .005 - .006" press fit) |
| Handguard Retainer .691" | |
| Gas Block .634" | (16mm w/ .003 - .004" press fit) |
| Front Sight Base .594" | (15mm w/ .003 - .004" press fit) |
| EURO PATTERN BARREL: | |
| Chamber .908" | (23mm w/ .003 - .004" press fit) |
| Rear Sight Base .694" | (17.5mm w/ .003 - .004" press fit) |
| Handguard Retainer .671" | |
| Gas Block .594" | (15mm w/ .003 - .004" press fit) |
| Front Sight Base .575" | (14.5mm w/ .003 - .004" press fit) |
5.45x39 Caliber
| BULGARIAN BARREL: | O. D. DIMENSIONS |
| Chamber .871" | (22mm w/ .004 - .005" press fit) |
| Rear Sight Base .694" | (17.5mm w/ .003 - .004" press fit) |
| Handguard Retainer .671" | |
| Gas Block .594" | (15mm w/ .003 - .004" press fit) |
| Front Sight Base .575" | (14.5mm w/ .003 - .004" press fit) |
| GERMAN BARREL: | |
| Chamber .867" | (22mm w/ .001 - .002" press fit) |
| Rear Sight Base .694" | (17.5mm w/ .003 - .004" press fit) |
| Handguard Retainer .671" | |
| Gas Block .594" | (15mm w/ .003 - .004" press fit) |
| Front Sight Base .575" | (14.5mm w/ .003 - .004" press fit) |
| ROMANIAN BARREL: | |
| Chamber .908" | (23mm w/ .003 - .004" press fit) |
| Rear Sight Base .694" | (17.5mm w/ .003 - .004" press fit) |
| Handguard Retainer .671" | |
| Gas Block .594" | (15mm w/ .003 - .004" press fit) |
| Front Sight Base .517" | (13mm w/ .004 - .005" press fit) |
| ROMANIAN SHORT BARREL: | |
| Chamber .908" | (23mm w/ .003 - .004" press fit) |
| Rear Sight Base .694" | (17.5mm w/ .003 - .004" press fit) |
| Handguard Retainer .671" | |
| Combination Gas Block & Front Sight Base .575" | (14.5mm w/ .003 - .004" press fit) |