Each barrel is finely & painstakingly made from ordnance grade steel, heat treated & finished inside & out in the ultra- desirable “nitride” finish. This is the finest barrel available for the HK VP40.

This barrel offering is a .357 SIG conversion barrel that is a drop in barrel that will convert the VP40 to shoot the popular .357 SIG cartridge. The threaded version is a approximately .600 longer than the stock VP40 barrel. Comes with a really nice Thread Protector

Fits all VP40 Slides:

• Traditional button rifled bore for use with jacketed and non-jacketed ammunition
• 1:16 right hand twist
• 4140 stress relieved, tempered & properly heat treated steel
• Micro polished feed ramp
• Machined to exact tolerances for proper fitment
• Finished inside and out in the “Nitride” process for enhanced service life
• Comes with a 1/2-28 Thread Protector
• 100% made in the U.S.A.
• True drop in barrel no recoil spring or mag change needed