Barrel Porting – Open Top Slides

IsoTac Barrel porting is a precision solution to increase the controllability of your pistol by venting gas upward to counteract recoil, keeping you on target for faster follow up shots.

This service includes:

• Inbound shipping
• Barrel Porting
• Barrel Cerakote Matching Refinish
• Return Shipping

If your pistol has an enclosed slide please click here

Number of ports and top window size are determined by barrel/slide length:

• 4.3in +               G17, Full Size 1911, etc                6 ports
• 3.9in – 4.2in     M&P Compact, G19, etc.             5 ports
• 3.5in – 3.8in     P365XL, FN 509C, etc.               4 ports
• 3in – 3.4in         G43, P365, M&P Shield, etc.     3 ports

Sending your barrel & slide in is easy, and round-trip shipping is included – just follow these instructions: Shipping Instructions NOTE: please ship ONLY your slide and barrel; we do not not the frame, springs, magazines or optics.