
SIG MCX SPEAR-LT 556NATO 16″ 30RD BL
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February 1, 2026SIG TREAD V2 COIL 5.56 16″ 30RD BLK
$1,152.30
SIG TREAD V2 COIL 5.56 16″ 30RD BLK
15 in stock
The M400-TREAD V2 continues the legacy of one of SIG SAUER’s most popular modern sporting rifles, incorporating upgraded features based on user feedback. Designed to improve performance and value, the V2 models include an upgraded free-floating handguard for better control and accessory mounting, along with the precise SIG Matchlite 2-stage trigger for smoother breaks and increased accuracy.
| UPC | 798681726202 |
|---|---|
| Manufacturer | Sig Sauer |
| Manufacturer Part Number | RM400-16B-TRD-V2-COIL |
| Action | Semi-Auto |
| ATF Type | MODERN SPORTING RIFLE |
| Barrel Length | 16" |
| Caliber/Gauge | .223 REM/5.56 NATO |
| Capacity | 30 |
| Length | 35.75'' |
| Magazine Included | 1 x 30-Round |
| Model | M400 |
| Product Type | AR |
| Rate of Twist | 1:8" |
| Safety | Ambidextrous |
| Shipping Weight | 9.8 |
| Sights | No |
| State Restriction (CA) | NO DIRECT SHIP TO CALIFORNIA |
| State Restriction (RI) | NO DIRECT SHIP TO RHODE ISLAND |
| State Restriction (WA) | NO DIRECT SHIP TO WASHINGTON |





