
Outfitters Score™
Good
Sig scores as a top-tier build with premium pricing and a bare-bones configuration.
Our proprietary rating combines brand tier, price percentile within the caliber, feature completeness, barrel versatility, retailer availability, caliber practicality, and use-case fit.
Full Specifications
Overview
| Brand | Sig |
| Rifle Type | pistol |
| Platform | AR15 |
| Caliber | 300 Blackout |
| UPC | 798681699636 |
Barrel
| Barrel Length | 9" |
Muzzle
| Suppressor Ready | No |
Sights & Optics
| Optic Ready | Yes |
Dimensions & Weight
| Magazines Included | 1 |
Compliance
| CA Compliant | No |
| Classification | AR Pistol |
| NFA Item | No |
What's Included (Complete Rifle)
This is a complete, ready-to-shoot firearm.
Upper Receiver
Lower Receiver
Barrel
9"
Bolt Carrier Group
Handguard
Brace
Grip
Trigger
Muzzle Device
Charging Handle
Gas Block
Gas Tube
Buffer Tube
Backup Iron Sights
Optic
Manufacturer · Tier 1
See everything Sig Sauer→
Build Guide
See our .300 Blackout Build→
State Check
This rifle has NFA or magazine considerations →
Swiss-origin firearms giant. The M400 and MCX platforms compete in the premium space, and Sig won the US Army NGSW rifle contract with the XM7.
View brand profile →Sauer MCX Spear LT AR15 Pistol 300 Blackout, 9" Threaded Barrel, Flat Dark Earth Cerakote, Folding Cane Brace, 30rd
Across 1 retailer
Compare Prices
Build It Yourself
Want to customize? Build similar specs from individual parts.
State Legal Check
Prices are fetched from affiliate partners. AR15 Outfitters may earn a commission on purchases made through links on this site. This does not affect pricing or our recommendations.