Sig Sauer MCX-Rattler LT Handgun 7.62x39 28rd Magazine 7.75" Barrel Black
$2,430.88
The Sig Sauer MCX-Rattler LT is a versatile handgun chambered in 7.62×39, designed for Special Operations forces with fully ambidextrous controls and an adjustable gas piston for both suppressed and unsuppressed firing. It features a 7.75″ barrel and comes with a 28-round magazine, making it a reliable choice for tactical applications and home defense.
Out of stock
All of the breakthrough features of the original MCX-Rattler now in a more modular more capable package. Designed to meet the needs of Special Operations forces the MCX-Rattler LT features fully ambidextrous controls including an ambidextrous bolt-catch bolt-release an adjustable gas piston for suppressed and unsuppressed use and is fitted with the SIG QD suppressor-ready flash-hider and a flat-blade trigger for ultimate control. The MCX-Rattler LT also has either a cold hammer forged 6 or 7 3/4 barrel and is now fully compatible with all MCX barrels and handguards making it the ultimate modular package. Available in 300 blackout 5.56 NATO as well as 7.62X39 calibers.
- 6.75in or 7.75in cold hammer forged barrel for ultra compact design
- Fullly ambidextrous controls
- Interchangable barrels now compatible with all LT barrels and handguards
- SIG Flatblade match trigger
- SIG SLX/SLH suppressor-ready flash hider
| Weight | 7.700 lbs |
|---|---|
| Dimensions | 46.500 × 11.250 × 4.250 in |
| Manufacturer | Sig Sauer |
| Barrel Length | 7.75 |
| Capacity | 28+1 |
| Action | Semi-automatic |
| Finish | Black |
| Caliber | 7.62×39 |
PROCESSING & SHIPPING
Orders typically ship within 1–3 business days (Monday–Friday) after payment and all required documentation are received. Time to arrival after shipment depends on the carrier. Shipping method is at BT Gun Company’s discretion; ammunition and oversized accessories are charged at actual shipping cost. We do not ship to Hawaii or Alaska.
FIREARM TRANSFERS
- Firearms must ship to a licensed FFL dealer of your choosing — confirm with them first that they can accept the transfer.
- Your receiving FFL will need to email their license to [email protected] before we can ship.
- Inspect your firearm at your FFL’s location before signing ATF Form 4473 — once signed, the firearm is considered accepted.
You’re responsible for knowing the firearms laws in your state before ordering. For complete shipping, returns, and restocking-fee policy details, see our Shipping & Returns page.

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