I3 Barrel/Slide Porting

I3 (Inline 3) Barrel Porting. 2 rows of inline 3 Ports. 

Can be done on Glocks, MP's, Sig's, CZ

(MACHINING SERVICE ONLY)

Window options 

Bullet Window

Box Window

Diamond Window

If you want to get DLC/PVD Coating click this link DLC/PVD

Once you complete your purchase, click on the SHIPPING INFO button to follow the steps on how to send your part into us.

NO MODIFICATIONS ON ORDERS ONCE THEY ARE PLACED (FAQ)

DISCLAIMER: This product is not manufactured, authorized, endorsed, or warranted by GLOCK. GLOCK does not warrant or represent that this product is compatible with GLOCK pistols. 

THIS PRODUCT HAS BEEN MODIFIED BY DUAL HAMMER INDUSTRIES LLC