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SIG MCX SPEAR 13-INCH 7.62 NATO BARREL AND GAS BLOCK ASSEMBLY
$1499.99
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SKU: 8901499
Overview
Built as a genuine replacement component for the 13" 7.62 NATO SPEAR, this barrel and gas block assembly is intended for maintaining or restoring the rifle’s original configuration. It is a practical option for owners who need a factory-matched part for service work or parts replacement rather than a standalone upgrade. Installation calls for torqueing to 60 in-lbs, and the product notes that NFA rules may apply to certain upper assemblies and caliber exchange kit installations.
Why Hunters Choose the Sig Sauer
Genuine Replacement
Barrel assembly for the 13-inch
Includes Both
Barrel and gas block assembly
Specified Sig
MCX SPEAR 13-inch 7.62 NATO
Installation Torque
Guidance is provided: 60 in-lbs
Supports Component
Replacement with factory-matched parts
Key Features
- Genuine replacement barrel for the 13-inch 7.62 NATO SPEAR
- Includes barrel and gas block assembly
- Designed for the SIG MCX SPEAR platform
- Installation torque specified at 60 in-lbs
- NFA rules apply to installation of this upper assembly
Best Used For
- Owners of a 13-inch SIG MCX SPEAR needing a genuine replacement barrel assembly
- Armorer or gunsmith performing a barrel and gas block replacement on a compatible upper
- Users maintaining a 7.62 NATO SPEAR setup and following specified installation torque
- Buyers who need a factory component for a compliant parts replacement project
Specifications
| Barrel Length | 13 in |
|---|---|
| Caliber | 7.62 NATO |
| Compatibility | 13" 7.62 NATO SPEAR |
| Includes | Barrel and gas block assembly |
| Nfa Notice | All NFA rules apply to the installation of these upper assemblies to lower receivers and caliber exchange kits to upper receivers |
| Product Type | Barrel and gas block assembly |
| Replacement Part | Yes |
| Torque Spec | 60 in-lbs |
Pros
- Genuine replacement barrel assembly for the 13-inch 7.62 NATO SPEAR.
- Includes both the barrel and gas block assembly.
- Specified for SIG MCX SPEAR 13-inch 7.62 NATO configuration.
- Installation torque guidance is provided: 60 in-lbs.
- Supports component replacement with factory-matched parts.
Considerations & Trade-offs
- This is a genuine replacement barrel and gas block assembly for the 13" 7.62 NATO SPEAR, so it is intended for a specific platform rather than general use.
- Installation calls for torqueing to 60 in-lbs, which means proper tools and careful setup are important.
- Because the barrel length is under 16", installation is subject to NFA rules and may require specific receiver status or SBR registration.
- Compliance with federal, state, and local regulations is the buyer’s responsibility, so this component may not be suitable for every setup.
Suggested Comparisons
- Replacement barrels for SIG MCX SPEAR rifles
- 7.62 NATO barrel and gas block assemblies
- MCX SPEAR upper receiver components
- NFA-regulated short-barrel rifle components
Suggested Accessories
- Armorer's torque wrench
- Gun vise
- Barrel nut tool
- Thread locker
Frequently Asked Questions
What is this part made for?
It is a genuine replacement barrel for the 13" 7.62 NATO SPEAR.
Does this assembly include everything needed for the barrel section?
The listing says it comes complete with the barrel and gas block assembly.
What installation torque is specified?
The product notes say to torque it to 60 in-lbs when installing.
Are there legal restrictions to be aware of?
Yes. The listing states that NFA rules apply, and that barrel lengths under 16" may only be affixed to certain lower receivers or to receivers registered as an SBR. It also advises checking local and state requirements.
Is this a complete upper or a full firearm part set?
The provided data identifies it as a barrel and gas block assembly replacement part, not a complete upper or full firearm.