Owned and operated just outside Atlanta Georgia, True Precision Match barrels are designed and made in specialized factories to the strictest tolerances. Made from US sourced certified 416R Match Grade stainless steel we go above and beyond to broach cut our rifling through a proprietary process that ensures both peak accuracy and reliability. Enhanced rifling techniques, better overall fit, lockup, finish options, and higher quality control standards set our barrels apart from both original OEM designs as well as other aftermarket barrels. Specifications for True Precision Pistol Sig P365 XL Barrel, Threaded: Manufacturer: True Precision Fabric/Material: 416R Stainless Steel Barrel Length: 4.35 in Threads per Inch: 1/2×28 Barrel Twist Rate: 1-10 Cartridge: 9mm Luger Barrel Material: 416R Stainless Steel Gun Make: SIG Sauer Gun Model: SIG Sauer P365 XL Weight: 2.7 oz Included Accessories: Standard Condition: New Rifling Profile: 6 Groove Rifling Gun Type: Handgun Features of True Precision Pistol Sig P365 XL Barrel, Threaded: Easy to install drop-in design fits the P365 XL 3.7″, XMACRO & Tacops (non-comp versions). NOT for the Spectre Comp which uses a 3.1″ barrel. Will not fit the P365 XMACRO Comp compensated slide version that uses a 3.1″ barrel. It WILL fit the P365 XMacro & Tacops versions (non-compensated slide). See our other P365 listings for the 3.1in model New for 2023, all P365 models from True Precision will no longer have the LCI peep hole cut on top. This will assist in keeping pistol mounted optics clean and free from powder blowback and debris escaping from a LCI hole. Threaded barrel length is 4.35″ overall. (without thread protector attached); Advanced proprietary broach cut design specifically engineered for increased accuracy potential; Broach cut 6 groove rifling allows for all ammo types to be used safely, including cast lead; 100% manufactured with certified 416R stainless steel; 9mm 1/10RH twist rifling; SAAMI spec chamber.; Weight: 2.7oz without thread protector installed; Improved overall fit from OEM with added chamfers, improved radius cuts, and other additions for a better than OEM barrel; Improved feedramp design over OEM for more reliable feeding of defensive ammo; Lifetime performance warranty on function Package Contents: True Precision Pistol Sig P365 XL Barrel, Threaded Thread Protector Viton O-Ring
6 reviews for True Precision Pistol Sig P365 XL Barrel, Threaded
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Big Dipper –
Received it in, did not see any obvious signs of fit and finish problems. Box it came in, is nice since it has a closed cell foam insert to put the replaced bbl. into so it doesn’t get lost/misplaced/damaged while swapped out with this bbl. Installed this into my P365xl and put a Strike industries comp on it. Ran 50 rounds of 115 gr. ball ammo through it w/o any function issues. Was shooting at a steel silhouette target so I wasn’t able to see how well it groups.
Phil –
Nice barrel, the o-ring is a great addition. I bought it for more velocity in my P365-XL, with the added 3/4," and found it consistently no faster than my standard 3 3/4" XL barrel, sometimes slower, with 5 different ammos, including 115-gr WIN practice ammo, WIN Ranger 127+P+, Speer 147 GDHP. I'll keep it in case I ever add a suppressor. Perhaps my XL barrel is a "fast" one, perhaps this T.P. barrel is more highly polished and so less pressure and slower, I've no idea, but I'll run my handier Sig XL barrel for carry.
Phil –
Followup to my earlier review. My barrel mikes at .35535" (slugged) on my Mitutoyo micrometer. Suspecting possible roughness I lapped it extensively, which bumped most velocities a little. After lapping WIN Ranger 127-gr +P+ went from 1195 fps to 1233 (extreme spread=17.) Speer 147 Gold Dot went from 940 to 964 (ES=20.) WIN Ranger 147 JHP was completely unchanged at 932 fps. WIN brown box Service Grade 115 FMJ went from 1107 to 1149. A light handload of 124 JHP with W231 powder went down from 1036 to 1026, both of which are slower than in the original Sig barrel. So most velocities are a bit faster than in the Sig 3.75" barrel, after lapping. But a 2% after-lapping velocity increase over the original 3.75" Sig barrel with my 127-gr Ranger (1204 to 1233) won't convince me to carry the P365XL with this longer barrel.
sanke357 –
Fit perfectly in my Sig 365XL. Finish was very good with no modifications such as finish being off or any sharp edges. Is a bit better than OEM barrel on accuracy and was worth the money. Will be carrying it on concealed capacity but will have to get a longer holster due to the extra barrel length. Fas delivery on barrel and was in stock.
Allen –
This True Precision barrel is a great upgrade to the factory barrel. Throw on a mini comp, and you have a great shooting little 9mm. On my P365 Macro you get a compact pistol, that remains very concealable. I added a 507k from Holosun and paired with this barrel my groups at 25yds have been very respectable
Andrew –
I've been running the True Precision Threaded P365 barrel for a couple years and it's performed wonderfully. Recently I've made the switch to the XL slide length and I still want to run my compensator so this seemed like a perfect choice.The added length has made it more accurate and feels much easier to control. Pricing was great and shipping was fast as well.