# Sig Sauer Semi Automatic Rifles - Guns For Sale

Shop Sig Sauer semi-automatic rifles with options drawn from the M400, MCX, MCX Spear, MCX Spear-LT, MCX Virtus Patrol, SIG516 Patrol G2, and MPX lines. This selection covers .223/5.56 NATO, .300 AAC Blackout, 6.8x51, and .177 models, including Tread, Snakebite SE, Elite TI, Patrol, compact, coyote, FDE, and black configurations.

From 16-inch 5.56 rifles with collapsible stocks to .300 Blackout tactical builds and 6.8x51 precision platforms, these Sig Sauer models fit buyers comparing modern semi-auto rifles for range use, collection, and shooting performance. Browse AR-style Sig Sauer rifles and related platforms with factory names, calibers, finishes, and generation details clearly organized.

## Featured Firearms (38 total)

| Product | Caliber | Price |
|---------|---------|-------|
| [Sig Sauer MCX Rattler Canebrake - Compact Tactical .300 Blackout](https://gunsnation.com/p/sig-sauer-mcx-rattler-canebrake-compact-tactical-300-blackout/UCE3nOark) | .300 AAC Blackout | - |
| [Sig Sauer MCX Virtus Patrol .223 Rem Tactical Semi-Auto Rifle](https://gunsnation.com/p/sig-sauer-mcx-virtus-patrol-223-rem-tactical-semi-auto-rifle/UCE3nOVWp) | .223 Remington | - |
| [Sig Sauer MCX Virtus Patrol .223 Semi-Auto Rifle, 30-Round Capacity](https://gunsnation.com/p/sig-sauer-mcx-virtus-patrol-223-semi-auto-rifle-30-round-capacity/UCE3nOVki) | .223 Remington | - |
| [Sig Sauer SIG716 Patrol G2 7.62 NATO Semi-Auto Rifle, Tactical Versatile](https://gunsnation.com/p/sig-sauer-sig716-patrol-g2-7-62-nato-semi-auto-rifle-tactical-versatile/UCE3nOP4X) | 7.62x51 NATO | - |
| [Sig Sauer SIG716 DMR G2 - Precision 7.62mm Semi-Auto Rifle](https://gunsnation.com/p/sig-sauer-sig716-dmr-g2-precision-7-62mm-semi-auto-rifle/UCE3nOEl3) | 7.62x51 NATO | - |
| [SIG M400 Tread Snakebite SE - 5.56 NATO, 16" FDE Rifle](https://gunsnation.com/p/sig-m400-tread-snakebite-se-5-56-nato-16-fde-rifle/UCE3nOprP) | 5.56 NATO | - |
| [Sig Sauer MCX Spear-LT .300 BLK 9" Pistol - Coyote Tan](https://gunsnation.com/p/sig-sauer-mcx-spear-lt-300-blk-9-pistol-coyote-tan/UCE3nOr1d) | .300 AAC Blackout | - |
| [Sig Sauer SIG516 Patrol G2 Semi-Auto 5.56 Rifle with Collapsible Stock](https://gunsnation.com/p/sig-sauer-sig516-patrol-g2-semi-auto-5-56-rifle-with-collapsible-stock/UCE3nNvwg) | .223 Remington | - |
| [Sig Sauer MCX Rattler LT: Compact Tactical 5.56mm Carbine](https://gunsnation.com/p/sig-sauer-mcx-rattler-lt-compact-tactical-5-56mm-carbine/UCE3nOxDM) | 5.56 NATO | - |
| [Sig Sauer MCX Spear LT 5.56 NATO 11.5" Pistol - Coyote Tan](https://gunsnation.com/p/sig-sauer-mcx-spear-lt-5-56-nato-11-5-pistol-coyote-tan/UCE3nOrHb) | 5.56 NATO | - |
| [Sig Sauer MCX Spear-LT Coyote 5.56 NATO Semi-Auto Rifle](https://gunsnation.com/p/sig-sauer-mcx-spear-lt-coyote-5-56-nato-semi-auto-rifle/UCE3nOr28) | 5.56 NATO | - |
| [Sig Sauer 716i Tread Snakebite SE 7.62 NATO FDE Semi-Auto Rifle](https://gunsnation.com/p/sig-sauer-716i-tread-snakebite-se-7-62-nato-fde-semi-auto-rifle/UCE3nOsQr) | .308 Win | - |
| [Sig Sauer TREAD M400: Compact 11.5" 5.56mm Semi-Auto Rifle](https://gunsnation.com/p/sig-sauer-tread-m400-compact-11-5-5-56mm-semi-auto-rifle/UCE3nOgHW) | .223 Remington | - |
| [Sig Sauer MCX Spear .308 Win 16in Multicam](https://gunsnation.com/p/sig-sauer-mcx-spear-308-win-16in-multicam/UCE3nP00C) | .308 Win | - |
| [Sig Sauer M400 Tread V2 5.56 NATO Rifle - Moss Green Precision Shooter](https://gunsnation.com/p/sig-sauer-m400-tread-v2-5-56-nato-rifle-moss-green-precision-shooter/UCE3nOy5s) | 5.56 NATO | - |
| [Sig Sauer MCX Virtus .223 Rem Tactical Semi-Auto Rifle](https://gunsnation.com/p/sig-sauer-mcx-virtus-223-rem-tactical-semi-auto-rifle/UCE3nOSlr) | .223 Remington | - |
| [Sig Sauer MCX Spear 6.8 X 51 - Compact Tactical Semi-Auto Rifle](https://gunsnation.com/p/sig-sauer-mcx-spear-6-8-x-51-compact-tactical-semi-auto-rifle/UCE3nP1Y4) | 6.8 X 51 | - |
| [SIG Sauer M400 Tread V2 5.56 NATO Rifle, 16" Barrel, Black Anodized](https://gunsnation.com/p/sig-sauer-m400-tread-v2-5-56-nato-rifle-16-barrel-black-anodized/UCE3nOy5l) | 5.56 NATO | - |
| [SIG Sauer MCX Spear Coyote 13" Semi-Auto Rifle 7.62x51 NATO](https://gunsnation.com/p/sig-sauer-mcx-spear-coyote-13-semi-auto-rifle-7-62x51-nato/UCE3nOuS7) | 7.62x51 NATO | - |
| [Sig Sauer M400 Tread - 5.56 NATO, 16" Semi-Auto Rifle, Black](https://gunsnation.com/p/sig-sauer-m400-tread-5-56-nato-16-semi-auto-rifle-black/UCE3nOacH) | 5.56 NATO | - |

*Showing 20 of 38 products*

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