Skip to main content
We may get paid by partner for deals, including promoted items

Menu

Trending
Top Brands Palmetto State ArmoryHot Yeti CoolerDeal NatchezDeal SitkaDeal 5.11Sale Winter Clearance Amazon Pickleball Sale Amazon FitnessHot Stores
Sig Sauer P320-M18 SIGP320M18 Pistol 9mm 3.9\" 21+1 Striker-Fired Optic-Ready Coyote PVD Slide by Sig Sauer -

Product Description

Sig Sauer P320-M18 SIGP320M18 Pistol 9mm 3.9\" 21+1 Striker-Fired Optic-Ready Coyote PVD Slide

Sig Sauer P320-M18 SIGP320M18 Pistol 9mm 3.9\" 21+1 Striker-Fired Optic-Ready Coyote PVD Slide

at Classic Firearms
Browse all Classic Firearms deals
$754.44
In Stock at Classic Firearms
Price verified 1d ago
Buy Now at Classic Firearms
Secure checkout Easy returns
or compare prices
Amazon logo Amazon eBay logo eBay

Product Details

Brand Sig Sauer
MPN SIGP320M18
Handguns Sig Sauer

More from Sig Sauer

Classic Firearms
Last Updated:
Oct 26, 2026 07:13 AM
Sig Sauer p365XL, Semi-Automatic 9mm Pistol, 3.7\" Barrel, Optic Ready, 12+1 Capacity, XRay3 Day/Night Sights - USED Good to Very Good Condition Sig Sauer p365XL, Semi-Automatic 9mm Pistol, 3.7\" Barrel, Optic Ready, 12+1 Capacity, XRay3 Day/Night Sights - USED Good to Very Good Condition View Details
$449.99 $499.99
10% off
Buy Now · $449.99
Classic Firearms
Classic Firearms
Last Updated:
Oct 26, 2026 07:13 AM
USED Sig P250 Subcompact DAO, .40 S&W, 3.6\" Barrel, 10+1, Black Poly Grip, Black Nitron - NRA Surplus Good Condition USED Sig P250 Subcompact DAO, .40 S&W, 3.6\" Barrel, 10+1, Black Poly Grip, Black Nitron - NRA Surplus Good Condition View Details
$289.99
Buy Now · $289.99
Classic Firearms
Classic Firearms
Last Updated:
Oct 26, 2026 07:13 AM
Sig Sauer 1911 X Carry Freedom 45 ACP 4.2\" 8-Round Single Action Optic-Ready White Cerakote Engraved Sig Sauer 1911 X Carry Freedom 45 ACP 4.2\" 8-Round Single Action Optic-Ready White Cerakote Engraved View Details
$1111.10
Buy Now · $1111.10
Classic Firearms
Classic Firearms
Last Updated:
Oct 26, 2026 07:13 AM
Sig Sauer 1911X Freedom 1911XR-45-TWXR3-TP Pistol .45 ACP 5\" 8+1 SAO Optic Ready White Cerakote G10 Grips Engraved Sig Sauer 1911X Freedom 1911XR-45-TWXR3-TP Pistol .45 ACP 5\" 8+1 SAO Optic Ready White Cerakote G10 Grips Engraved View Details
$1408.66
Buy Now · $1408.66
Classic Firearms
Classic Firearms
Last Updated:
Oct 26, 2026 07:13 AM
Sig Sauer P365 XMACRO Freedom 365XCA-9-TWXR3-TP Pistol 9mm 3.7\" 17+1 Striker Optics-Ready White Cerakote/Engraved. Sig Sauer P365 XMACRO Freedom 365XCA-9-TWXR3-TP Pistol 9mm 3.7\" 17+1 Striker Optics-Ready White Cerakote/Engraved. View Details
$712.38
Buy Now · $712.38
Classic Firearms
Classic Firearms
Last Updated:
Oct 26, 2026 07:13 AM
Sig Sauer P365 365-9-BXR3P-MS-SL-CA Pistol 9mm 3.1\" 10rd Striker-Fired Optic Ready Manual Safety XRAY3 Sights Sig Sauer P365 365-9-BXR3P-MS-SL-CA Pistol 9mm 3.1\" 10rd Striker-Fired Optic Ready Manual Safety XRAY3 Sights View Details
$521.48
Buy Now · $521.48
Classic Firearms
Classic Firearms
Last Updated:
Oct 26, 2026 07:13 AM
Sig Sauer P365 AXG Legion 365AXGCA-9-LEGION-RXSL Pistol 9mm 3.1\" 17+1 Striker Optics-Ready Compensated Slide Sig Sauer P365 AXG Legion 365AXGCA-9-LEGION-RXSL Pistol 9mm 3.1\" 17+1 Striker Optics-Ready Compensated Slide View Details
$1649.99
Buy Now · $1649.99
Classic Firearms
Classic Firearms
Last Updated:
Oct 26, 2026 07:13 AM
Sig Sauer P365 XMACRO Comp 9mm 3.1\" 17+1 Pistol w/Romeo-X Optic Sig Sauer P365 XMACRO Comp 9mm 3.1\" 17+1 Pistol w/Romeo-X Optic View Details
$1179.99
Buy Now · $1179.99
Classic Firearms
Classic Firearms
Last Updated:
Oct 26, 2026 07:13 AM
Sig Sauer P365 X-Macro 9mm Optics-Ready Semi-Auto Pistol, 3.7\" Barrel, 17+1 Sig Sauer P365 X-Macro 9mm Optics-Ready Semi-Auto Pistol, 3.7\" Barrel, 17+1 View Details
$1079.99
Buy Now · $1079.99
Classic Firearms
Classic Firearms
Last Updated:
Oct 26, 2026 07:13 AM
Sig Sauer P365X Romeo-X 9mm 3.1\" 12+1 Striker-Fired Optics-Ready Pistol Sig Sauer P365X Romeo-X 9mm 3.1\" 12+1 Striker-Fired Optics-Ready Pistol View Details
$979.99
Buy Now · $979.99
Classic Firearms
Classic Firearms
Last Updated:
Oct 26, 2026 07:13 AM
Sig Sauer P365 X-Macro 9mm 3.7\" 10+1 Striker Optics-Ready Manual Safety Sig Sauer P365 X-Macro 9mm 3.7\" 10+1 Striker Optics-Ready Manual Safety View Details
$742.64
Buy Now · $742.64
Classic Firearms
Classic Firearms
Last Updated:
Oct 26, 2026 07:13 AM
Sig Sauer P226X Legion 226X-9-LEGION-SAO-RXSL Pistol 9mm 4.4\" Barrel 18+1 SAO Optics-Ready Legion Gray ROMEOX Pro Sig Sauer P226X Legion 226X-9-LEGION-SAO-RXSL Pistol 9mm 4.4\" Barrel 18+1 SAO Optics-Ready Legion Gray ROMEOX Pro View Details
$1829.99
Buy Now · $1829.99
Classic Firearms
Classic Firearms
Last Updated:
Oct 26, 2026 07:13 AM
Sig Sauer M400 SDI Pistol PM400-SDI-11B-FDE 5.56 NATO 11.5\" 30rd Semi-Auto Ambi Controls FDE M-LOK Sig Sauer M400 SDI Pistol PM400-SDI-11B-FDE 5.56 NATO 11.5\" 30rd Semi-Auto Ambi Controls FDE M-LOK View Details
$1478.89
Buy Now · $1478.89
Classic Firearms
Classic Firearms
Last Updated:
Oct 26, 2026 07:13 AM
Sig Sauer P226-XCarry Legion 226XCA-9-LEGION-10 Pistol 9mm 3.8\" 10+1 DA/SA Optic-Ready Legion Gray Sig Sauer P226-XCarry Legion 226XCA-9-LEGION-10 Pistol 9mm 3.8\" 10+1 DA/SA Optic-Ready Legion Gray View Details
$1429.99
Buy Now · $1429.99
Classic Firearms
Classic Firearms
Last Updated:
Oct 26, 2026 07:13 AM
Sig Sauer 220RM45LEGIONR2 P220 45 4.4 DA/SA 8rd Gray Sig Sauer 220RM45LEGIONR2 P220 45 4.4 DA/SA 8rd Gray View Details
$1399.99
Buy Now · $1399.99
Classic Firearms
Classic Firearms
Last Updated:
Oct 26, 2026 07:13 AM
Sig Sauer P365-XMACRO TACOPS Pistol 9mm 3.7\" Barrel 17rd Optics-Ready Flared Magwell Sig Sauer P365-XMACRO TACOPS Pistol 9mm 3.7\" Barrel 17rd Optics-Ready Flared Magwell View Details
$1204.43
Buy Now · $1204.43
Classic Firearms
Classic Firearms
Last Updated:
Oct 26, 2026 07:13 AM
Sig Sauer P365XL-9-ROSE-MS-RS 9mm Pistol 3.1\" 12+1 Striker Fired Rose Compensated Romeo-RS Sig Sauer P365XL-9-ROSE-MS-RS 9mm Pistol 3.1\" 12+1 Striker Fired Rose Compensated Romeo-RS View Details
$1129.99
Buy Now · $1129.99
Classic Firearms
Classic Firearms
Last Updated:
Oct 26, 2026 07:13 AM
Sig Sauer P365 XMacro Tacops 681686 MOD TRMP Pistol 9mm 3.7\" Barrel 17+1 Optic-Ready XRAY3 Sights Sig Sauer P365 XMacro Tacops 681686 MOD TRMP Pistol 9mm 3.7\" Barrel 17+1 Optic-Ready XRAY3 Sights View Details
$833.32
Buy Now · $833.32
Classic Firearms
Classic Firearms
Last Updated:
Oct 26, 2026 07:13 AM
Sig Sauer P320 Pro RXP Full Size LE 9mm Pistol - W320F-9-BXR3-LDC-PRO-RXP Sig Sauer P320 Pro RXP Full Size LE 9mm Pistol - W320F-9-BXR3-LDC-PRO-RXP View Details
$867.27
Buy Now · $867.27
Classic Firearms
Classic Firearms
Last Updated:
Oct 26, 2026 07:13 AM
Sig Sauer P365 Rose 380ACP 3.1\" 10+1 Pistol Romeo-RS Manual Safety Sig Sauer P365 Rose 380ACP 3.1\" 10+1 Pistol Romeo-RS Manual Safety View Details
$929.99
Buy Now · $929.99
Classic Firearms