Product Overview
- Semi-automatic AR pistol chambered in .300 Blackout with a 9" interchangeable MCX LT barrel and 30+1 capacity.
- Folding brace with push-button hinge; ambidextrous controls; suppressor-ready QD slash hider; fully interchangeable MCX LT barrels and handguards.
- Must ship to a Federal Firearms License (FFL) holder.
Overview
The Sig Sauer MCX Spear LT in .300 Blackout is a semi-automatic AR pistol built on an aluminum receiver with a 9" interchangeable MCX LT barrel. It features a folding brace with a push-button hinge for compact storage and a QD slash hider that is suppressor-ready. The platform supports full interchangeability with all MCX LT barrels and handguards and includes fully ambidextrous controls.
Key Features
- 9" Interchangeable MCX LT Barrel in .300 Blackout — barrel can be swapped for other MCX LT-compatible barrels without gunsmithing.
- Folding Brace with Push-Button Hinge — folds quickly for transport and storage; re-deploys with a single button press.
- QD Suppressor-Ready Slash Hider — designed for fast attachment and removal of compatible suppressors.
- Ambidextrous Controls — all primary controls operable from either side of the receiver.
- Aluminum Receiver Construction — lightweight platform for a pistol-format firearm.
- MCX LT Handguard Interchangeability — handguards can be changed to match barrel length or user preference.
FFL & Compliance
This firearm must be shipped to a Federal Firearms License (FFL) holder. The buyer is responsible for understanding and complying with all applicable local, state, and federal laws prior to purchase. Magnum Ballistics does not provide legal advice or determine purchaser eligibility. We ship only to the FFL dealer selected during checkout.
