Many reviewers commend KG 12 for its ability to completely remove copper fouling quickly and efficiently, distinguishing it from other ammonia-based products. Reviewers report stunning results with minimal effort, including the complete elimination of stubborn copper deposits, making it the preferred choice for both novice and experienced users.
Numerous customers appreciate KG 12 for its straightforward application process. Users found the product simple to use—just apply, wait, and wipe—making it an attractive option for those seeking a hassle-free cleaning experience.
Reviewers frequently mention the absence of strong odors associated with ammonia-based cleaners. Users value KG 12 for its water-based, non-toxic formulation, which enhances the cleaning experience without the unpleasant stench typically encountered with other solvents.
The formulation of KG 12 is highlighted as being safe for barrels, with no risk of etching as can occur with traditional cleaners. This has garnered positive feedback from users who want to avoid damaging their firearms while maintaining cleanliness.
While the effectiveness of the product is widely praised, some users express concern about the challenge of visually confirming the removal of copper after use. Unlike other cleaners that change color, KG 12 requires alternative methods, like using a bore scope, to ensure all copper has been eliminated.
