Sig Sauer MCX-Spear LT Features
The MCX-Spear LT kit revolutionizes the traditional AR platform with its dual rod recoil assembly, eliminating the need for a standard buffer system and allowing for a more compact configuration. The inclusion of an M4 adapter not only facilitates Pic rail folding stock capabilities but also broadens the customization options available to the shooter. The adjustable gas system is finely tunable, optimizing the rifle’s performance when using suppressors and ensuring smooth operation under various conditions.
Innovation continues with the quick-change barrel design, permitting easy caliber and barrel length adjustments to suit diverse shooting needs. The gas piston operating system significantly reduces carbon fouling, enhancing the longevity and reliability of the firearm. Designed to endure, this upper conversion kit is built to last 20k rounds before requiring any part replacements, featuring a next-gen suppressor-designed QD flash hider for quick adaptability and an ambidextrous charging handle equipped with a gas deflector for added convenience.
Sig Sauer MCX-Spear LT Specifications
- Model: SIG MCX-SPEAR LT
- Caliber: 5.56 NATO
- Barrel Length: 16″
- Overall Length: 24.5″
- Weight: 5lbs, 2.5oz
- Barrel: Nitride Coated Cold Hammer Forged
- Barrel Rifling Type: Hammer Forged
- Twist Rate: 1:7
- Operating System: Gas Piston
- Muzzle Device: 3-Prong/SIG Suppressor QD
- Muzzle Thread Pitch: 1/2-28
- Handguard Length: 13.3″
- Handguard Inside Diameter: 1.48″
- Handguard Material: Aluminum
- Receiver Finish: Black Anodized
- Bolt Carrier Group Included: Yes
- Bolt Carrier Finish: DLC
- Charging Handle Included: Yes
- Forward Assist: Yes
- Free Floated Handguard: Yes
| Barrel Length | 16 |
|---|---|
| Caliber | 5.56 |
| Condition | New in Box |
| Finish Per Color | Black |
| Manufacturer | Sig Sauer |
| Manufacturer Part Number | UAMCX-556N-16B-LT-BLK |
| Model | MCX-Spear LT Upper/Conv. Kit |
| Type | Uppers |
| UPC | 798681682546 |
Frequently Asked Questions About This Product
Why buy Sig Sauer MCX-Spear LT Upper/Conv. Kit Black 5.56 16" Barrel from Miami Shooters Supply?
We’re a trusted firearms dealer offering fast shipping, competitive pricing, and 100% compliance with U.S. federal firearm laws. All orders ship from our licensed facility with full tracking and expert customer service.
Where can I buy Sig Sauer MCX-Spear LT Upper/Conv. Kit Black 5.56 16" Barrel?
You can purchase this item directly on our website and have it shipped to your local FFL dealer. You can also visit us in-store in Miami, Florida.
Is Sig Sauer MCX-Spear LT Upper/Conv. Kit Black 5.56 16" Barrel available now?
Availability is shown live on this page. If the “Add to Cart” button is visible, this item is currently in stock and ready to ship.
What category does this product belong to?
This product is listed under: RIFLES, Uppers.
What tags or features does this product have?
Key features and tags for this product include: RIFLES, Uppers.
Is this product legal in my state?
It is your responsibility to ensure this item is legal in your state or locality. We ship only to valid FFL dealers in compliance with U.S. laws. Always check your local regulations.
FFL Transfer & Firearms Laws for Sig Sauer MCX-Spear LT Upper/Conv. Kit Black 5.56 16" Barrel
All firearms, including the Sig Sauer MCX-Spear LT Upper/Conv. Kit Black 5.56 16" Barrel, must be shipped to a licensed Federal Firearms License (FFL) dealer. You will be required to complete a background check and any necessary paperwork before taking possession.
How It Works
- Place your order online.
- Provide your preferred FFL dealer information.
- We ship the firearm directly to your FFL.
- You complete the background check and pickup at the FFL.
Legal Compliance
We comply with all federal and state firearm laws. It is your responsibility to ensure the Sig Sauer MCX-Spear LT Upper/Conv. Kit Black 5.56 16" Barrel is legal in your state. Some states may have restrictions on certain firearm models or features.
Helpful Resources
Need assistance? Contact our Miami store for help with FFL transfers and firearm compliance.
