My Account (Sign in)
Your basket is empty.
0
Basket
contact us by phone Help and contact
Free standard delivery over £199
100-day return policy
My Account (Sign in)
Wish list
Your basket is empty. (0)
Basket
Newsletter Newsletter
Sale

Over 300,000 customers - we say thank you!

4.93/5 "Very good" (1400+ reviews)

40,000+ products for hunting and shooting sports

Handgun Parts Barrel Parts Barrels POLYMER80 FULL SIZE PF320 BARREL STAINLESS STEEL Support

Enhance your SIG P320's performance with the Polymer80 PF320 Full-Size Barrel, featuring match-grade tolerances, 17-4 PH stainless steel, and broach-cut rifling.

POLYMER80 FULL SIZE PF320 BARREL STAINLESS STEEL

819925023458 100043628

Restrictions

  • Is a 'Call to order' product.

Top takeaways

  1. The Polymer80 PF320 Full-Size Barrel is designed for enhanced accuracy with match-grade tolerances, different from standard OEM specifications.
  2. Made from 17-4 PH stainless steel, it features broach-cut rifling, a 42HRC heat-treatment, and a 1:16-inch right-hand twist rate.
  3. This drop-in barrel is compatible with the SIG Sauer P320 and is available with a matte stainless-steel finish.

Attributes

  • Cartridge: 
    9 mm Luger
  • Finish: 
    Stainless Steel
  • Model: 
    P320
  • Style: 
    Drop-In
  • Weapon type: 
    Sig Sauer
  • Delivery weight: 0.136kg
  • Shipping height: 25mm
  • Shipping width: 81mm
  • Shipping length: 203mm
  • UPC: 819925023458

Item details

Made in USA
US export classification: 0A501.c
  • Specifications:
  • Cartridge: 9 mm Luger
  • Finish: Stainless Steel
  • Make: Sig Sauer
  • Model: P320
  • Style: Drop-In
204.9 204.9 1 GBP
204.9 GBP £204.90

Prices inclusive of duty & VAT.

Product no.: 100043628

Mfr. No.: P80-PF320-F-SS

819925023458 A full-size SIG Sauer P320 demands a full-performance barrel that'll maximize the capabilities of your gun and your shooting skills. Don't settle for the accuracy you get out of a factory barrel. Those OEM specifications are just designed for easy manufacturing. This Polymer80 PF320 Full-Size Barrel is not only designed to drop into your slide, it'll enhance accuracy, thanks to the tighter, match-grade tolerances! Each Polymer80 PF320 Full-Size Barrel is machined from 17-4 PH stainless steel, features broach-cut rifling and a 42HRC heat-treatment. The barrel is outfitted with a 1:16-inch right-hand twist rate and can be had with a matte stainless-steel finish.
Not available
Be the first to rate this product

Not available.

100-Day Return Policy
No charges until we ship
No charge:
Your credit card will not be charged when you place your order.

No commitments:
You are under no obligation until the goods are shipped. You can cancel your order at any time before shipping - free of charge.

Not until shipping:
Your credit card will only be charged once we ship your order. Not before.
Wish List Ask question
order by phone
204.9 204.9 1 GBP
Description Specification Customers reviews Accessories

POLYMER80 FULL SIZE PF320 BARREL STAINLESS STEEL

204.9 GBP £204.90

Prices inclusive of duty & VAT.

Is a 'Call to order' product.
Requires order by phone

Description:

Elevate Your Shooting Experience with the Polymer80 PF320 Barrel!

The Polymer80 PF320 Full-Size Barrel is engineered to deliver unmatched performance for your full-size SIG P320. Crafted for precision and reliability, this barrel is the ideal upgrade for serious shooters.

Product Features:

  • Match-Grade Precision: Designed to enhance accuracy with tighter tolerances.
  • Durable Construction: Machined from 17-4 PH stainless steel for long-lasting performance.
  • Advanced Rifling: Features broach-cut rifling for improved bullet stability.
  • Heat Treatment: 42HRC heat-treatment ensures strength and durability.
  • Twist Rate: 1:16-inch right-hand twist rate for optimal performance.
  • Finish: Available in a sleek matte stainless-steel finish.

Upgrade your SIG Sauer P320 with the Polymer80 PF320 Full-Size Barrel and experience the difference in accuracy and performance. Don't compromise on your shooting; invest in a barrel that meets your needs!



Restrictions

  • Is a 'Call to order' product.

Top takeaways

  1. The Polymer80 PF320 Full-Size Barrel is designed for enhanced accuracy with match-grade tolerances, different from standard OEM specifications.
  2. Made from 17-4 PH stainless steel, it features broach-cut rifling, a 42HRC heat-treatment, and a 1:16-inch right-hand twist rate.
  3. This drop-in barrel is compatible with the SIG Sauer P320 and is available with a matte stainless-steel finish.

Attributes

  • Cartridge: 
    9 mm Luger
  • Finish: 
    Stainless Steel
  • Model: 
    P320
  • Style: 
    Drop-In
  • Weapon type: 
    Sig Sauer
  • Delivery weight: 0.136kg
  • Shipping height: 25mm
  • Shipping width: 81mm
  • Shipping length: 203mm
  • UPC: 819925023458

Item details

Made in USA
US export classification: 0A501.c

Customers reviews

Customer ratings (0)

0 / 5

Oops! Something went wrong.

We encountered an error while loading this content. Please refresh the page to continue. If the issue persists, contact our customer support.

Site Navigation
Product Categories
Ordering
Customer Service

Welcome!

to Brownells UK, your destination for anything gun related. With our roots in a genuine passion for firearms, we bring you an unmatched selection of Gun Parts, Firearm Accessories, Gunsmithing Tools, Scopes & Red Dot Sights and Expert Knowledge.

Whether you're looking to maintain, repair, or upgrade, we've got what you need!

For Shooters, By Shooters
We share your enthusiasm and know exactly what you're looking for because we're part of the community.

Massive Selection
From the essentials to the unique, find everything under one roof.

Our blend of tradition and innovation
Shop with the convenience of modern technology, backed by a legacy of experience.

Browse our collection and discover why we're the trusted name in shooting sports & hunting.

Brownells Norge - Komplett utvalg av ladeutstyr, våpendeler, kuler, hylser, kikkerter, optikk og luftvåpen Brownells Österreich - Einer der größten Lieferanten für Waffenteile, Büchsenmacherzubehör & Schießsportzubehör Brownells Switzerland - Einer der größten Lieferanten für Waffenteile, Büchsenmacherzubehör & Schießsportzubehör Brownells Deutschland - Einer der größten Lieferanten für Waffenteile, Büchsenmacherzubehör & Schießsportzubehör Brownells France - Le plus grand fournisseur d'Accessoires pour le tir, Pièces détachées & Outils d'Armurier Brownells Iberica - El mayor proveedor de accesorios para el Tiro, Piezas y herramientas del armero. Brownells Sverige - Världens största leverantör av Vapendelar, Vapensmide Verktyg & Skyttetillbehör Brownells Suomi Brownells Italia - Il negozio del più grande rivenditore di componenti e accessori per armi da tiro, difesa e caccia Brownells Polska - Największy na świecie dostawca części broni, narzędzi rusznikarskich & akcesoriów strzeleckich Brownells Česko - Největší světový dodavatel součástí zbraní, střeleckého příslušenství a zbrojního nářadí
*
Prices inclusive of duty & VAT.

© 2025 Brownells UK
Part of the Brownells Europe Group

Logo Brownells
Classical viewClassical view Mobile viewMobile view
Back to top