- 10:1 twist
 - Extractor clearance cut is already in place
 - Side hand guard retainer slot is in place
 - Top hand guard retainer slot is missing
 - Barrel is NOT threaded and not turned down for threading. These were imported as a sporter barrel to replace your existing imported sporting rifle shot out barrel.
 - Chamber: 23.045mm - 23.13mm
 - Rear sight base: 17.55mm - 17.63mm
 - 7.62x39 Ammo
 - Handguard retainer side slot: 17mm
 - Gas block: 15.04mm - 15.12mm
 - Front sight base: 14.54mm- 14.62mm
 
                            
                        
                                
                            
                                        
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