Double Diamond Standard Replacement Barrel
Ratings & Reviews
Double Diamond 9mm barrel for G27 worked flawlessly for me!
by Mike Rosenberg-Emperador
Just converted my Glock 27 to a 9mm with a Double Diamond barrel. I was very surprised how much tighter my groups were with the new barrel. I used Sig Elite V Crown 124 grain hollow point, Winchester PDX 9mm plus P, and Sig VCrown full metal jacket and Mag tech 124 grain hardball. About 200 rounds of flawless accuracy. I think I found the right barrel from the start. I shot from 7 to 15 yards.
Simple and great replacement barrel
I got a black G17 replacement barrel. The accuracy improved 100% and it was a simple drop-in replacement. Cannot say enough about this product. EXCELLENT!!!
Good Group, marginal finish on chamber
I purchased 2 9 mm DD barrels in black recently (couple months ago) and I will give 4 stars but not 5. I installed one barrel in a factory slide and within the first 10 rounds I have obvious wear points on the outside of the chamber, along the edges, shiny spots where the black was scrapped off. Feels like the square corners are sharper than factory barrels. The groups are tight but not impressed with the finish work. Never had this on the 3 factory barrels I have.