Since I just sold my HK-P30, I'm also selling my slightly used (less than 200 rounds) HK-P30 9mm threaded barrel in 1/2-28 TPI. These are very hard to find and go for around $200.
Willing to sell for $150 (free shipping).
info from manufacturer below:
Each barrel is finely and painstakingly made from ordnance grade steel, heat treated and finished inside and out in the ultra- desirable “nitride” finish. This is the finest threaded replacement barrel available for the HK P30 9mm pistol.
The perfect barrel for use as a spare or for replacement parts. Each P30 Tactical barrel is a drop in replacement for your HK P30 9mm pistol.*** THREAD PROTECTOR INCLUDED.***
Fits all P30 9mm models:
• Traditional button rifled bore for use with jacketed and non-jacketed ammunition
• Tactical threaded barrel threaded 1/2 X 28
• 1:10 right hand twist
• Overall length 5.05″
• 4140 stress relieved & 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