Name: Polymer80 PF-Series Sig Sauer P320 Barrel
Brand: Polymer80
SKU: 32M-BPI-PF320SSB
Availability: Discontinued

+1-800-504-5897 Help Center Check Order Status

About Us Policies Reviews How To

Entire Store
...
Apparel & Footwear
Astronomy
Everything Else
Eyewear
Hunting Gear
Lab Equipment
Military Gear
Outdoor Gear
Photography Equipment
Police, EMS & Fire
Shooting
Sport Optics
Sports & Hobbies

Shopping Cart

Polymer80 + Gun Parts Polymer80 Gun Parts Polymer80 PF-Series Sig Sauer P320 Barrel Polymer80 + Gun Parts Polymer80 Gun Parts + Pistol Parts Polymer80 Pistol Parts + Pistol Barrels Polymer80 Pistol Barrels Polymer80 PF-Series Sig Sauer P320 Barrel Polymer80 + Gun Parts Polymer80 Gun Parts + Pistol Parts Polymer80 Pistol Parts Polymer80 PF-Series Sig Sauer P320 Barrel

Please enable JavaScript in Your Browser JavaScript is not currently enabled in your browser and due to this our site will not work as it should. While JavaScript is disabled, you will not be able to add items to your cart or browse all product options. Our site is powered by industry leading security standards for your protection.
If possible, please enable JavaScript in your browser for the best possible experience. If you cannot enable JavaScript or you are having technical difficulties, please — we are always here to help!

Polymer80 Full Size PF320 Barrel, Stainless Steel, P80-PF320-F-SS

Polymer80 Compact PF320 Barrel, Stainless Steel, P80-PF320-C-SS

Polymer80 Full Size PF320 Barrel, Stainless Steel, P80-PF320-F-SS

Polymer80 Compact PF320 Barrel, Stainless Steel, P80-PF320-C-SS

Government Export Restriction

This item may be regulated for export by the U.S. Department of State or the U.S. Department of Commerce. Please see our Export Policy prior to placing your order.

Government Restriction

By adding to cart, I understand and agree to the Domestic Restricted Product Policy and certify that I will comply with applicable federal, state and local laws and regulations.

Questions & Answers

Is this a LCI barrel? Expert Answer

The Polymer80 PF-Series Sig Sauer P320 Barrel does not feature a LCI.

by Ethan, Gear Expert, August 29, 2023

Is this barrel compatible with the Sig Sauer P320 X5 Legion? Expert Answer

The Polymer80 PF-Series Sig Sauer P320 Barrel will not work with the P320 X5 Legion.

by Hunter, Gear Expert, January 5, 2023

View All Q&A You Have a Question? Ask!

Product Discontinued by Manufacturer

Polymer80 PF-Series Sig Sauer P320 Barrel has been discontinued by Polymer80 and is no longer available. Our product experts have helped us select these available replacements below.You can also explore other items in the Gun Parts, Pistol Parts, Pistol Barrels yourself to try and find the perfect replacement for you!

Compare

Add to Wishlist

Product Info for Polymer80 PF-Series Sig Sauer P320 Barrel

The PF-Series line of SIG Sauer P320 compatible barrels are precision CNC machined to exacting tolerances from domestically sourced 17-4 PH stainless steel bar stock, broach cut rifled, and heat treated to 42 HRC. The PVD finishes offer upgraded aesthetics, high dry lubricity for enhanced smoothness during cycling, and ease of cleaning.

Features of Polymer80 PF-Series Sig Sauer P320 Barrel

Match Grade Drop-in Barrel
Heat Treated to 42 HRC
SAAMI Specification 9mm Match Chamber and 6-Groove Rifling

Package Contents:

Polymer80 PF-Series Sig Sauer P320 Barrel

9mm Luger Ammo

1–60 / 60

Best Rated

Aguila Ammunition 9mm Luger 115 Grain Full Metal Jacket Brass Case Pistol Ammo, 50-Rounds, 1E097704

(31)

List: $15.69 (Save 12%)

$13.79

$0.28/Round

Best Rated

Aguila Ammunition 9mm Luger 124 Grain Full Metal Jacket Brass Case Pistol Ammunition

(58)

As Low As (Save Up to 11%)

$13.99

$0.28 - $0.30/Round

See all 3 models

Fiocchi 9mm Luger 0 Grain Brass Blank Ammo, 50 Rounds, 9MMBLANK

List: $40.99 (Save 27%)

$29.99

$0.60/Round

Best Rated

Winchester USA Handgun 9mm Luger 115 Grain Full Metal Jacket (FMJ) Brass Cased Centerfire Pistol Ammunition

(152)

As Low As (Save Up to 36%)

Hornady Critical Defense 9 mm Luger 115 grain Flex Tip eXpanding Brass Cased Centerfire Pistol Ammo, 25 Rounds, 90250

(44)

List: $40.00 (Save 30%)

$27.99

$1.12/Round

Umarex - 9mm PAK, 50 qty 2252753

List: $27.99 (Save $1.30)

$26.69

$0.53/Round

PMC Ammunition PMC Bronze 9mm Luger 147 Grain Full Metal Jacket Brass Cased Pistol Ammo, 50 Rounds, Brass, 9H

(1)

List: $21.99 (Save 25%)

$16.39

$0.33/Round

Best Rated

Hornady Subsonic 9 mm Luger 147 grain FlexLock Brass Cased Centerfire Pistol Ammo, 25 Rounds, 90287

(8)

List: $37.72 (Save 28%)

$26.99

$1.08/Round

Best Rated

Hornady Critical Duty 9 mm Luger 135 Grain FlexLock Centerfire Pistol Ammo, 25 Rounds, 90236

(6)

List: $44.60 (Save 33%)

$29.79

$1.19/Round

Freedom Munitions 9mm Luger 124 Grain Round Nose Brass Pistol Ammunition

(2)

As Low As (Save Up to 29%)

Hornady Custom 9 mm Luger 124 grain eXtreme Terminal Performance Brass Cased Centerfire Pistol Ammo, 25 Rounds, 90242

(7)

List: $36.51 (Save 33%)

$24.39

$0.98/Round

SinterFire Reduced Hazard 9 mm Luger 100 Grain Frangible Brass Cased Pistol Ammo, 50 Rounds, SF9100RHA

(4)

List: $47.99 (Save 43%)

$27.59

$0.55/Round

Hornady Critical Defense 9 mm Luger 100 grain Flex Tip eXpanding Brass Cased Centerfire Pistol Ammo, 25 Rounds, 90240

(4)

List: $40.00 (Save 33%)

$26.79

$1.07/Round

Best Rated

Federal Premium, 9 mm Luger, 124 Grain, Hydra-Shok Jacketed Hollow Point, Brass, Centerfire Pistol Ammo, 20 Rounds, P9HS1

(23)

List: $34.99 (Save 20%)

$27.99

$1.40/Round

Hornady Custom 9 mm Luger 147 grain eXtreme Terminal Performance Brass Cased Centerfire Pistol Ammo, 25 Rounds, 90282

(2)

List: $36.51 (Save 33%)

$24.39

$0.98/Round

Best Rated

Magtech 9mm Luger 115 Grain Jacketed Hollow Point Brass Cased Pistol Ammunition

(7)

As Low As (Save Up to 26%)

$21.79

$0.41 - $0.44/Round

See all 2 models

Speer Gold Dot Carbine 9mm Luger 135grain Carbine Brass Cased Pistol Ammo, 50 Rounds, 59GDC1

List: $82.99 (Save 27%)

$60.99

$1.22/Round

Super Vel Ammunition 9mm Luger 147 grain Full Metal Jacket Brass Cased Pistol Ammunition

(5)

As Low As (Save Up to 23%)

Lehigh Defense Xtreme Defense 9mm Luger 90 Grain Fluid Transfer Monolithic Brass Cased Centerfire Pitol Ammo, 20 Rounds, LA990XDC

(6)

List: $31.95 (Save 16%)

$26.99

$1.35/Round

Best Rated

Federal Premium 9 mm Luger 147 Grain HST Jacketed Hollow Point Nickel Plated Brass Cased Centerfire Pistol Ammunition

(29)

As Low As (Save Up to 38%)

$30.59

$0.87 - $1.53/Round

See all 2 models

First Breach 9x19mm 124 Grain Full Metal Jacket New C220 Brass Cased Pistol Ammo, 50 Rounds, 9mm 124 loaded

List: $15.99

$15.39

$0.31/Round

Super Vel Ammunition 1250 9mm Luger 115 grain Solid Copper Hollow Point Brass Cased Pistol Ammunition

As Low As (Save Up to 24%)

$21.89

$1.09 - $1.20/Round

See all 2 models

Speer Gold Dot 9 mm Luger 147 Grain Hollow Point Centerfire Pistol Ammo, 20 Rounds, 23619GD

List: $39.99 (Save 29%)

$28.29

$1.41/Round

Fort Scott Munitions 9mm 125 Grain Sub-Munition Tumble Upon Impact TPD Pistol Ammunition, 20 Round, 9MM-125-SCVSSTPD

List: $32.42 (Save 11%)

$28.89

$1.44/Round

Freedom Munitions 9mm Luger 115 Grain Round Nose Brass Pistol Ammunition

(2)

As Low As (Save Up to 24%)

$15.39

$0.31 - $0.35/Round

See all 3 models

HSM Subsonic 9mm Luger 180 Grain Hard Cast Lead Brass Cased Pistol Ammo, 50 Rounds, A9MM24N

List: $60.00 (Save 17%)

$50.09

$1.00/Round

Cor Bon 9mm 90 Grain Jacketed Hollow Point Brass Cased Pistol Ammo, 20 Rounds, SD0990/20

List: $20.99 (Save 14%)

$17.99

$0.90/Round

Underwood Ammo 9mm Luger 115 Grain Solid Monolithic Nickel Plated Brass Cased Pistol Ammo, 20 Rounds, 155

List: $34.99 (Save $1.90)

$33.09

$1.65/Round

Super Vel Ammunition 1000 9mm Luger 115 grain Solid Copper Hollow Point Brass Cased Pistol Ammunition

As Low As (Save Up to 25%)

$22.59

$1.08 - $1.13/Round

See all 2 models

Freedom Munitions 9mm Luger 147 Grain Hollow Point Brass Pistol Ammunition

Super Vel Ammunition 9mm Luger 100 grain Full Metal Jacket Brass Cased Pistol Ammunition

As Low As (Save Up to 14%)

$19.99

$0.40 - $0.41/Round

See all 2 models

Armscor Precision Inc USA 9mm Luger 147 Grain Full Metal Jacket Brass Cased Pistol Ammunition

(1)

As Low As (Save Up to 23%)

$19.19

$0.38 - $0.48/Round

See all 2 models

Freedom Munitions 9mm Luger 147 Grain Round Nose Brass Pistol Ammunition

As Low As (Save Up to 24%)

Super Vel Ammunition 9mm Luger 90 grain Jacketed Hollow Point Brass Cased Pistol Ammunition

As Low As (Save Up to 44%)

$18.89

$0.59 - $0.94/Round

See all 2 models

Freedom Munitions 9mm Luger 135 Grain Hollow Point Brass Pistol Ammunition

As Low As (Save Up to 24%)

$18.89

$0.32 - $0.38/Round

See all 2 models

Freedom Munitions 9mm Luger 115 Grain Hollow Point Brass Pistol Ammunition

As Low As (Save Up to 20%)

$16.99

$0.34 - $0.37/Round

See all 3 models

Freedom Munitions 9mm Luger 124 Grain Hollow Point Brass Pistol Ammunition

(1)

As Low As (Save Up to 24%)

$18.89

$0.32 - $0.38/Round

See all 3 models

Nosler ASP 9mm 124 Grain Jacketed Hollow Point Brass Cased Cased Pistol Ammunition

As Low As (Save Up to 13%)

Nosler ASP Suppressor Ready 9mm 147 Grain Jacketed Hollow Point Brass Cased Cased Pistol Ammunition

(5)

As Low As (Save Up to 46%)

Nosler ASP 9mm 115 Grain Jacketed Hollow Point Brass Cased Pistol Ammunition

(6)

As Low As (Save Up to 24%)

$15.89

$0.79 - $0.87/Round

See all 2 models

BarnauL Polycoated Steel Case Rifle Ammo 9mm Luger 115 gr FMJ 1329 fps 500/ct Case, BRN 9mmLuger FMJ115C

List: $251.49 (Save 19%)

$202.99

$0.41/Round

Best Rated

Sellier & Bellot 9mm Luger 115 Grain Full Metal Jacket Brass Cased Pistol Ammunition

(24)

As Low As (Save Up to 10%)

$15.19

$0.30 - $0.33/Round

See all 2 models

Cutting Edge Bullets Personal Home Defense 9mm 90 Grain Solid Copper Hollowpoint Brass Rifle Ammo, 20 Rounds, PHD 9MM 90

List: $51.99 (Save 19%)

$41.99

$2.10/Round

Best Rated

Norma Range Training FMJ 9mm Luger 124 grain Full Metal Jacket Brass Cased Centerfire Pistol Ammo, 50 Rounds, 620340050

(45)

List: $24.99 (Save 32%)

$16.99

$0.34/Round

PPU 9mm Luger 0 grain Brass Cased Blank Ammo, 50 Rounds, PPB9L

List: $49.99 (Save 51%)

$24.59

$0.49/Round

Dickinson LLC 9mm 115gr Full Metal Jacket 50 Per Box/20 Case, BRASS/STL

List: $27.49 (Save 49%)

$14.09

$0.28/Round

Best Rated

Federal Premium 9 mm Luger 115 Grain Full Metal Jacket Brass Pistol Ammunition

Dickinson LLC 9mm 115gr Full Metal Jacket 50 Per Box/20 Case, BRASS

List: $31.99 (Save 48%)

$16.69

$0.33/Round

Igman 9mm Luger 124 Grain Full Metal Jacket Brass Centerfire Pistol Ammo, 50 Rounds, IGMAN9mmb

Super Vel Ammunition Hush Puppy 9mm Luger 147 grain Full Metal Jacket Brass Cased Pistol Ammunition

(3)

As Low As (Save Up to $23.00)

$34.69

$0.33 - $0.35/Round

See all 2 models

STV Scorpio Ammo 7.62x39 124 Grain Full Metal Jacket, Brass Cased Rifle Ammo, 20 Rounds, S762124F

List: $16.00 (Save 13%)

$13.99

$0.70/Round

Freedom Munitions HUSH Subsonic 9mm Luger 147 Grain Round Nose Brass Pistol Ammo, 50 Rounds, FMH9R147N50

List: $24.19 (Save 12%)

$21.19

$0.42/Round

Super Vel Ammunition 9mm Luger 124 grain Full Metal Jacket Brass Cased Pistol Ammunition

(7)

As Low As (Save Up to 32%)

$32.59

$0.30 - $0.33/Round

See all 2 models

Freedom Munitions HUSH Subsonic 9mm Luger 165 Grain Round Nose Brass Pistol Ammo, 50 Rounds, FMH9R165N50

List: $25.59 (Save 12%)

$22.49

$0.45/Round

Super Vel Ammunition 9mm Luger 115 grain Full Metal Jacket Brass Cased Pistol Ammunition

(2)

As Low As (Save Up to 34%)

$31.79

$0.29 - $0.32/Round

See all 2 models

Winchester USA Handgun Forged 9 mm Luger 115 grain Full Metal Jacket Centerfire Pistol Ammunition

(30)

As Low As (Save Up to 50%)

$13.49

$0.27/Round

See all 2 models

Super Vel Ammunition 9mm Luger 158 grain Full Metal Jacket Brass Cased Pistol Ammunition

As Low As (Save Up to 34%)

Fiocchi Range Dynamics 9mm Luger 158 Grain FMJ Brass Cased Centerfire Pistol Ammunition

(9)

As Low As (Save Up to 13%)

Fiocchi Range Dynamics 9mm Luger 124 Grain Full Metal Jacket Brass Pistol Ammunition

(22)

As Low As (Save Up to 11%)

$17.29

$0.35/Round

See all 2 models

Underwood Ammo 9mm Luger 90 Grain Xtreme Defender Solid Monolithic Nickel Plated Brass Cased Pistol Ammunition

(4)

As Low As (Save Up to 46%)

$30.99

$1.55 - $1.60/Round

See all 2 models

Gun Slides and Accessories

1–6 / 6

Free 2 Day Shipping

Norsso N320 Piranha KP Compact Bull Barrel Set, Satin Stainless GEO Port, 9 mm Caliber, Black, N320CBB-PIR-KP

(1)

List: $709.00 (Save $35.45)

$673.55

True Precision Sig P320 Compact 3.9in Axiom Cut Slide w/RMR Optic Cut

(1)

List: $395.00 (Save $19.75)

$375.25

See all 6 models

Best Rated

SIG SAUER P320 9mm Spectre COMP Complete Barrel Assembly, Gold, 8901002

(15)

List: $799.99 (Save 14%)

$686.49

Patmos Arms Revelation Sig Sauer P320 Slide, Complete, Black, Compact Size, PAREVP320-CS

(8)

List: $549.99 (Save 45%)

$299.99

Best Rated

SIG SAUER Pro-Cut Slide Assembly w/X-Ray3 Day/Night Suppressor Sights, P320 Sub-Compact/XCompact, 9mm Luger, 3.9 in Barrel, Optic Ready, Nitron Stainless Steel, Black, 8900949

(9)

List: $471.43 (Save 15%)

$399.49

ShaloTek IC EDC RMSC Pistol Slide, P320C, Black Nitride, S-320C-IC-EDC-RMSC-01

List: $327.00 (Save $16.35)

$310.65

Ammunition

1–4 / 4

Best Rated

Griffin Armament Micro Carry Comp 1/2x28, Black, GAMCC1228

(82)

List: $64.95 (Save $5.00)

$59.95

Best Rated

Hornady Critical Defense 9 mm Luger 115 Grain Flex Tip eXpanding Centerfire Pistol Ammunition

(44)

List: $40.00 (Save 30%)

Winchester Super Suppressed 9 mm Luger 147 grain Full Metal Jacket Centerfire Pistol Ammunition

(11)

List: $37.49 (Save 39%)

Fiocchi Range Dynamics 9mm 115 Grain FMJ Brass Centerfire Pistol Ammunition

(21)

List: $25.75 (Save 34%)

$16.89

$0.34/Round

See all 1 models

Magazine and Accessories

1–22 / 22

Best Rated

Galco Cop Double Mag Case - Ambidextrous - Black CDM22B

(7)

List: $84.00 (Save 17%)

$69.99

On Sale

Galco Double Magazine Carrier

(38)

As Low As (Save Up to 29%)

$76.99

See all 9 models

Best Rated

SIG SAUER P320 Compact 9mm Luger 15 Round Pistol Magazine, Blued, 1 Pack, Steel, MAG-MOD-C-9-15-15RD

(10)

List: $75.47 (Save 23%)

$57.89

On Sale

Galco Quad Magazine Carrier

(7)

As Low As (Save Up to 25%)

$133.99

See all 4 models

Blazin' Deal

HYVE Technologies Sig Sauer P320 Compact Magazine Extension Base Pad

(2)

As Low As (Save Up to 58%)

$12.49

See all 2 models

Aker Leather Model 510 Double Magazine Pouch, Medium, 9mm Luger, Brass Snap, Double Stack, Basketweave, Black, A510-BW-2-BR

List: $73.99 (Save $4.00)

$69.99

SIG SAUER P320 Full Size 10mm 15 Round Pistol Magazine, Black, 1 Pack, Carbon Steel, 8900743-15RD

(1)

List: $75.47 (Save 22%)

$58.89

Best Rated

Galco Double Magazine Paddle Carrier

(5)

As Low As (Save Up to 12%)

$89.99

See all 4 models

Best Rated

Galco Scl Double Mag Case For System

(5)

As Low As (Save Up to 15%)

$103.99

See all 10 models

Blazin' Deal

Tactical Precision Manufacturing TPM Sig P320 Compact3 Round Extension

(1)

As Low As (Save Up to 24%)

$30.49

See all 6 models

ProMag Steel Pistol Magazine, Sig Sauer P320 Compact, 9mm, 15-Round, Black, SIG-A14-15RD

List: $41.68 (Save 26%)

$30.99

Best Rated

Galco Concealable Magazine Case

(12)

As Low As (Save Up to 17%)

$73.59

See all 10 models

Aker Leather Model 519 D.M.S. Combo Mag And Handcuff Cases, 9mm Luger, Double Stack, Right, Plain, Black, A519BPR-2

(1)

List: $99.73 (Save 16%)

$83.99

Best Rated

Galco Horizontal Mag Carrier For Shoulder System

(6)

As Low As (Save Up to 11%)

$109.99

See all 6 models

On Sale

Galco Single Magazine Case

(19)

As Low As (Save Up to 25%)

$44.39

See all 18 models

Best Rated

Galco Horizontal Magazine Carrier

(10)

As Low As (Save Up to 15%)

$57.99

See all 6 models

Aker Leather 519A D.M.S. ASP Cuff/Mag Combos, 9mm Luger, Double Stack, Right, Plain, Black, A519ABPR-2

List: $111.22 (Save 23%)

$85.99

Armscor Precision Inc Act-Mag SIG Sauer P320 /M17/P250 Full Size, 9mm Luger, 10 Round, Pistol Magazine, Blued, 1 Pack, 3211-10RD

(2)

List: $37.99 (Save $2.00)

$35.99

SIG SAUER P320 Full Size 9mm Luger 17 Round Pistol Magazine

(2)

As Low As (Save Up to 12%)

$58.89

See all 2 models

SIG SAUER 10rd Pistol Magazine, 320, 9 mm, Full, Coyote Tan, 8900373

(1)

List: $65.99 (Save 11%)

$58.89

Best Rated

SIG SAUER P320 Full Size 9mm Luger 21 Round Pistol Magazine, Coyote, 1 Pack, Steel, MAG-MOD-F-9-21-COY-21RD

(9)

List: $75.47 (Save 25%)

$56.59

Galco SCL Extended Double Mag Case For System

(1)

List: $123.00 (Save 11%)

$109.99

See all 2 models