RCM .357 SIG Conversion Barrel for HK VP40 – Threaded 1/2×28
The latest version of the RCM threaded .357 SIG conversion barrel for the HK VP40. Made in the USA from heat-treated 4140 steel, this drop-in barrel features a nitride finish inside and out for enhanced service life. Includes a matching thread protector.
Specifications:
- Caliber: .357 SIG
- Thread Pitch: 1/2×28
- Overall Length: 4.45 inches
- Twist Rate: 1:16, right-hand
- Material: Stress-relieved, heat-treated 4140 steel
- Finish: Nitride, inside and out
- Traditional button rifling for jacketed and non-jacketed ammunition
- Micro-polished feed ramp
- Includes thread protector
- Made in the USA
Compatible With:
- VP40
Please Note: Not compatible with HK VP9 models.









