True Precision Parts & Accessories

Last updated and checked October 31, 2026 · By Nick Hall. Prices are the lowest new listings in our feed of 200+ retailers on October 31, 2026.

If you’ve seen a Glock or SIG P365 with a gold or copper barrel poking out of the slide, there’s a good chance it was a True Precision. The looks get the attention, but what the company really sells is a drop-in match barrel with conventional rifling, plus Axiom optic-cut slides, True-Lock compensators and triggers. One warning up front: its Glock 19 barrels are labelled for Gen 1 to 5, so they aren’t for a Gen 6. Here is who they are and what is worth buying.

Table of Contents

Who True Precision is

True Precision, Inc. is a Kennesaw, Georgia maker of drop-in pistol barrels, Axiom slides, compensators, triggers and the TP/22 rifle. It sells under the tagline “American Made Precision,” using USA-sourced 416R stainless for its barrels.

First, a tip if you go looking for it: the company’s site is true-precision.com, with the hyphen. The unhyphenated domain belongs to an unrelated plastics company. Its address is 2125 Barrett Park Drive NW in Kennesaw, and the company keeps the focus on its parts rather than its history.

What it does publish is the part that matters. Retailers describe the company as formed to give shooters high-quality drop-in barrels, and that’s still the core of the catalog. It has spread well beyond Glock, too, and now lists fits for the SIG P365 family, P320, Springfield Hellcat, S&W Shield, CZ P-10 C and even the Ruger RXM.

What True Precision makes

Match barrels: the calling card

The P365 barrel spec sheet lists proprietary broach-cut, 6-groove rifling with a 1:10 twist, “suitable for all ammo including cast lead,” in USA-sourced certified 416R stainless with a SAAMI-spec chamber. That’s a real difference from a factory Glock, whose polygonal rifling is the reason Glock tells owners to avoid lead bullets. Finishes run from satin stainless and black nitride to gold, copper and rainbow.

True Precision lists threaded barrels at $179.99 to $199.99 and non-threaded at $169.99 to $189.99, while its True Duty P365 barrel starts at $149.99. Street prices are lower: a stainless Glock 19 barrel was $134.99 at Primary Arms, and a P365 Duty barrel was $132.99 at Optics Planet.

Axiom slides

Axiom slides are USA-sourced 17-4 stainless, cut for optics with a cover plate included, and lightened with side cuts. True Precision lists them for the Glock 19 and 43/43X, SIG P365 family and P320. A Glock 19 Gen 3 Axiom with an RMR cut was $375.25 at 3CR Tactical, and Glock 43 and P365 slides have been listed below $300 at Battlehawk.

Compensators and triggers

The True-Lock compensators are model-specific, at $129.99 for the Glock 43, P365 family and Hellcat. The Cobra is $69.99, and the thread-on Micro comps are $49.99 and $59.99. The new Thrust barrel and compensator for the 3.1-inch P365 is $325, with a locking system meant to end the loose-comp problem. Flat triggers for the P365 run about $95 in several finishes.

Everything else

There’s also the customizable TP/22 rifle, Full Build pistols, lowers, grip modules and a 3D gun builder on its site. Recoil spring tuning kits run $59.99 to $87.99 in our feed, and those do include a Glock 19 Gen 6 version.

Gen 6 fit, warranty and the reload catch

Read this section before you order. True Precision labels its Glock 19, 19X and G45 barrels as Gen 1-5 compatible. The Gen 6 changed enough that older upgrades don’t carry over, so don’t assume a barrel or slide fits one. The company has written about the Gen 6 on its blog, so check its site for what’s been released.

The warranty is also narrower than you might assume. True Precision says parts are guaranteed free from defects in material and workmanship for the original purchaser, and that the warranty is voided by “use of non-SAAMI-standard ammunition” and by unauthorized work. So the rifling may be rated for cast lead, but handloads are a separate question. Before you run reloads, ask True Precision how it treats them, because the barrel spec and the warranty wording don’t answer it the same way.

Why broach-cut rifling matters

A factory Glock uses polygonal rifling, which is durable and cheap to mass-produce. True Precision cuts conventional lands and grooves with a broach. For most shooters, the practical payoff is simple: you can use cast-lead bullets, which Glock warns against in its own barrels, and that can make high-volume practice much cheaper.

Be honest about accuracy, though. A good aftermarket barrel can tighten groups from a rest, but at carry distances you may not see much change, and a factory barrel is already plenty reliable. True Precision also uses a SAAMI-spec chamber rather than an ultra-tight match chamber, which it says helps reliable feeding with defensive ammo. I’d test any new barrel with your carry load before trusting it.

How True Precision compares

Zaffiri Precision is the closest peer, and the choice often comes down to finish, price and stock. KKM Precision is the older name serious accuracy shooters know, and Faxon is the value option with broad coverage. Faxon also lists Gen 2-6 Glock 19 barrels, which makes it the place to look if you own a Gen 6 today. Lone Wolf is the budget option. True Precision’s spot is the middle: looks great, drops in and handles lead.

Who should buy what

• Adding a suppressor or comp: a threaded barrel in 1/2×28, for a 9mm.
• Shooting cast lead: a non-threaded barrel for your exact model.
• Micro-compact build: an Axiom slide on a Glock 43/43X or P365.
• P365 owner fighting muzzle flip: a True-Lock comp with a matching threaded barrel.
• Glock 19 Gen 6 owner: a recoil spring kit, and look elsewhere for a barrel until True Precision lists a fit.

Building a P365 or Glock 43X

This is the most popular use for these parts. A barrel and an Axiom slide turn a basic carry gun into a red dot ready package, and the slide’s cuts remove weight from the moving parts. Match the slide to your optic footprint first. Then remember that a lighter slide can change how the gun cycles, which is why the spring kit matters. Shoot your carry ammo through the finished gun, enough to be sure, before you trust it for defense. Work you do yourself may also affect the warranty, so read the terms.

Picking a finish

Finish is the fun part, and True Precision is honest about the trade-off. It describes PVD as a thin film outer coating whose durability varies from coating to coating, and it says satin stainless is corrosion-resistant but benefits from regular maintenance. So expect a bright PVD barrel hood to show wear where it rubs the slide. That’s normal for any coated barrel. If a pristine look matters, keep it as a range gun. If you carry the pistol every day, black nitride or plain stainless will age more quietly and won’t bother you when the first wear marks turn up. Pay the extra for gold or rainbow because you like it, not because it makes the gun shoot better.

Facts and Figures

• Address: 2125 Barrett Park Drive NW, Suite 105, Kennesaw, Georgia.
• Rifling: broach cut, 6 groove, 1:10 right-hand twist in 9mm, per the P365 spec sheet.
• Materials: 416R barrels, 17-4 slides, both USA sourced.
• Threaded barrel: $179.99 to $199.99 list.
• True-Lock comp: $129.99 list.
• Prices on October 31: Glock 19 barrel $134.99, Axiom slide $375.25, P365 trigger $94.99.

Retail prices in the cards and carousels here are live.

Shop True Precision Parts & Prices

Live products and current prices for True Precision, organized by department and updated automatically. Check the fit line on every listing.

Where True Precision Fits in Our Buying Guides

• Best Custom Glocks & Glock Upgrades
• Glock Parts
• SIG P320 Parts
• Best Subcompact 9mm Pistols

True Precision FAQ

Compare True Precision Head-to-Head

• True Precision vs Zaffiri Precision: the barrel-first precision house versus the complete-custom-slide house, with a full spec table and live prices.

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• Centennial Defense Systems Parts

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