Works well on an AR9 and MP5 with zero issues after probably close to 3,000+ rounds through it. Personally I use an Obsidian 45 with the Rugged 3 lug and really like it. Torrent is proud to release our compact, 9mm suppressor. So both those options open up a huge amount of cans you can now use with 3 lug. We use internal and external quality testing standards as well as dB (decibel) sound pressure. 4 Lone Wolf Arms Glock 23/32 Threaded Conversion Barrel. 3 Ed Brown Products Suppressor-Ready 1911 Pistol Barrel. 1 Lone Wolf Glock Threaded Conversion Barrel LWD-229TH. 45 cal and even 4.6x30mm or 5.7x28mm pistol. What Pistol Design Functions Best With A Suppressor Editor’s Choice. These silencers are crafted to work flawlessly with your 9mm. This adapter would also work in something like a Rex Silentium MG7 358 suppressor to adapt it easily to 3 lug. MGW has a number of pistol caliber suppressors in a variety of thread sizes and calibers from some of the top brands such as AAC, Surefire, Sig Sauer, Gemtech, Silent Legion and others. Yankee Hill is coming out with a 1-3/8"-24 3 lug adapter for their R9 can. You can also now buy "big bore" suppressors and use 3 lug on them. This makes it easy to adapt any can with that rear threading to 3 lug If you have a pistol suppressor that is threaded 1.125-28 (silencer co octane series, Rugged Obsidian series, other Griffin ones I dont remember) then you can use something like Silencer Co's AC2247 which is a self contained 3 lug with the spring already trapped in a module. Heckler & Koch Thread-On 9mm Sound Suppressor M13.5x1LH 1,070.00 800. There are a few options out there for self-contained 3 lug adapters. The spring designs are simple, fast, and all that are necessary for something like 9mm. the ones that require you to tighten down a collar. Get a first look at the best new handguns for 2021, including the hottest competition semi-auto pistols, an heirloom-quality 1911, and a classic six-shooter. CZ equips this polymer-framed pistol with the popular Omega trigger, a very smooth DA/SA system. Typical 3-lug is pretty simple, a spring and an index plate that locks to the lugs. Described by CZ as the king King of Capacity, the suppressor-ready P-09 puts 19+1 rounds of 9mm in the hands of any operator going into harm’s way. What criteria are you trying to look for with "best". So you are looking to buy the whole suppressor based only on the 3-lug? I would choose the best suppressor for your application and then just double check they have a solid 3 lug.