Related products
View All
Product information
Overview
MCX-SPEAR LT 9" UPPER 300BLK BLK
Description
The MCX-SPEAR LT developed for the SF community is the most advanced platform of its kind. Convert any M4/AR15 platform into a modernized folding firearm with superior reliability, durability, and accuracy. This item includes a complete 9" 300BLK upper assembly. It features a removeable 3-prong flash-hider ready to accept a SIG SLH/SLX suppressor. Receiver extension delete stock adapter so you may mount any folding or static stock or brace that uses a vertical 1913 rail system.
Specifications
| Manufacturer | Sig Sauer |
|---|---|
| Model | MCX |
| SKU | RSR|SGUAMCX-300B-9B-LT-BLK |
| UPC | 798681682522 |
| UPC | 798681682522 |
| Manufacturer | Sig Sauer |
| Manufacturer Part Number | UAMCX-300B-9B-LT-BLK |
| Barrel Length | 9" |
| Caliber/Gauge | .300 AAC Blackout |
| Color | Black |
| Model | MCX |
| Product Type | Upper |
| Sights | Flat Top |
Popular in this category
View All
Questions & answers
How will this item ship?
Eligible non-firearm items may ship to an address that meets shipping rules, or you can choose local pickup at STX Bullseye when available. Restrictions can apply by product and destination.
Does this require an FFL transfer?
This listing does not require an FFL transfer. Firearm receivers and other regulated items are labeled separately when FFL transfer is required.
What if I have compatibility questions?
Contact STX Bullseye before purchase if you need help confirming fitment, caliber, or mount compatibility. Staff can review the listing details with you.
How do I contact STX Bullseye?
Call (956) 314-0879 or visit the Contact page. Store hours and location details are listed on Contact and About.
Answers are general store information and are not personalized legal advice.
