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SIG SAUER® Parts

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  • Sale! Compact Barrel for Sig Sauer® P320™ - Nitride Black

    Compact Barrel for Sig Sauer® P320™ – Nitride Black

    Original price was: $49.99.Current price is: $38.97.

    Upgrade your 9mm Compact P320™ with a match-grade barrel. This Crucible 416R Stainless-forged barrel was designed to improve your Compact P320’s accuracy with a simple drop-in solution. It’s also been QPQ Nitrided to promote maximum heat and wear resistance, without sacrificing the accuracy normally lost from conventional rifling coatings. P320™ Barrel Specs Forged from Crucible 416R…

  • Sale! Compact Size Grip Module for SIG SAUER® P320™ M18™ XCOMPACT - Manual Safety, Medium Grip

    Compact Size Grip Module for SIG SAUER® P320™ M18™ XCOMPACT – Manual Safety, Medium Grip

    Original price was: $89.99.Current price is: $74.97.

    Factory Grip for the P320™ X-COMPACT. Build a balanced compact pistol with this X-COMPACT Grip Module. Includes manual safety compatibility with a medium grip. Designed to accommodate 3.9″ and 3.6″ slides and barrels. Grip Module Specifications Color: Black Grip Size: Medium Model: P320™-COMPACT X Calibers: 9mm, .40 Auto, .357 SIG® Manual Safety: Yes Magazine Disconnect: No Reversible Mag Release: Yes Removable Grip…

  • Sale! Full Size Grip Module for SIG SAUER® P320™ XFULL - Manual Safety, Medium Grip

    Full Size Grip Module for SIG SAUER® P320™ XFULL – Manual Safety, Medium Grip

    Original price was: $89.99.Current price is: $74.97.

    Quality, OEM replacement grip module for all P320™ XFULL pistols. Nothing beats the factory standard. Grab this placement P320™ XFULL grip module for your full-size P320™, M17™, or M18™. Includes Picatinny rail and standard grip texture. Medium grip with manual safety compatibility. Note: This grip module is only compatible with 9mm, .40 Auto, and .357…

  • Sale! Full Size Grip Module for SIG SAUER® P320™ XFULL - Manual Safety, Medium Grip - Coyote Tan

    Full Size Grip Module for SIG SAUER® P320™ XFULL – Manual Safety, Medium Grip – Coyote Tan

    Original price was: $89.99.Current price is: $74.97.

    Quality, OEM replacement grip module for all P320™ XFULL pistols. Now in Coyote Tan. Nothing beats the factory standard. Grab this placement P320™ XFULL grip module for your full-size P320™, M17™, or M18™. Includes Picatinny rail and standard grip texture. Medium grip with manual safety compatibility. Note: This grip module is only compatible with 9mm,…

  • Sale! KMT Ballistic Diffusion/Emission (B.D.E.) Compensated Slide for Sig Sauer® P365™

    KMT Ballistic Diffusion/Emission (B.D.E.) Compensated Slide for Sig Sauer® P365™

    Original price was: $239.99.Current price is: $189.97.

    Transform your P365™ with the B.D.E Compensated Slide. The Ballistic Diffusion/Emission Slide from KTM Tactical is perhaps one of the most advanced slides available for the Sig P365™. Equal parts style and function, the B.D.E Slide provides a major boost in the aesthetics department, while affording noticeably improved accuracy and recoil control. 22% lighter than…

  • P320™ Upper Parts Kit

    P320™ Upper Parts Kit

    Price range: $89.99 through $119.99

    Complete your custom (or upgrade your factory) 9mm P320™. Finishing a custom P320™ build? Swapping components in your factory gun? This 9mm slide parts kit for the P320™ is designed to fit all OEM and aftermarket slides. P320™ Slide Parts Kit Includes: Slide cap in black, non-textured Striker assembly for 9mm Extractor Extractor Spring Extractor…

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  • Sale! Standard Height Fiber Optic Sights for Sig Sauer® P365™

    Standard Height Fiber Optic Sights for Sig Sauer® P365™

    Original price was: $42.99.Current price is: $32.97.

    All-steel, tap-in fiber optic sights that give your Sig P365 a brighter, faster sight picture. Factory irons are fine until the light fades. These fiber optic sights add a glowing front and rear reference that is easy to pick up quickly, even in dim conditions, so you can line up the shot and get back…

  • Sale! Suppressor Height Fiber Optic Sights for Sig Sauer® P320™

    Suppressor Height Fiber Optic Sights for Sig Sauer® P320™

    Original price was: $42.99.Current price is: $19.97.

    Running a can? Get the right iron sights for your P320™ These suppressor-height fiber optic iron sights provide quicker, better target acquisition at the appropriate height to clear your favorite muzzle muffle or micro red dot. Includes green, red and yellow fiber optic rods to customize front sight color. P320™ Fiber Optic Iron Sight Features…

SIG SAUER® P320 and P365 parts and upgrades.

Shop factory P320 grip modules, barrels, slides, sights and upper parts kits, plus P365 sights and a compensated slide. Check each listing for size and caliber fitment.

One Fire Control Unit, Many Configurations

The P320’s serialized fire control unit (FCU) moves between grip modules, slides and barrels, so you can change size, grip and feel without buying a new pistol. Our P320 grip modules, barrels and upper parts kit fit factory P320 pistols.

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State Laws Vary

Some states restrict certain firearm parts. Check your state and local laws and our Shipping & Returns page before ordering.

DISCLAIMER: “Sig Sauer” is a federally registered trademark of Sig Sauer, Inc. and is one of many trademarks owned by Sig Sauer, Inc. Neither 80% Lowers, a/k/a Tactical Gear Heads, LLC nor this site are affiliated in any manner with, or otherwise endorsed by, Sig Sauer, Inc. The use of “Sig Sauer” on this page is merely to advertise the sale of Sig Sauer pistols, parts, or components. For additional genuine Sig Sauer, Inc. products and parts visit www.sigsauer.com.

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