
SANTAN STT-15 PILLAR UPPER RECEIVER
April 6, 2026
SIG P365 9MM 3.1″ 10RD BLK ROMEO-RS
April 6, 2026SIG TREAD V2 5.56 16″ 30RD BLK
$950.03
SIG TREAD V2 5.56 16″ 30RD BLK
57 in stock
The M400 TREAD V2 is an optics ready, aluminum frame rifle. The TREAD features a 16″ stainless steel barrel with a free-floating M-LOK handguard, a SIG Matchlite 2 Stage Trigger, ambidextrous controls, a Magpul SL-K 6 position telescoping stock, a mid-length gas system, and is available in 5.56 NATO.
| UPC | 798681688005 |
|---|---|
| Manufacturer | Sig Sauer |
| Manufacturer Part Number | RM400-16B-TRD-V2 |
| Action | Semi-Auto |
| ATF Type | MODERN SPORTING RIFLE |
| Barrel Length | 16" |
| Caliber/Gauge | .223 REM/5.56 NATO |
| Capacity | 30 |
| Length | 34.4000 |
| Model | M400 |
| Number of Magazines | 1 30 rd. |
| Package Height | 2.7 |
| Package Width | 8.9 |
| Product Type | AR |
| Rate of Twist | 1:8" |
| Safety | Ambidextrous |
| Shipping Weight | 8.6 |
| Sights | No |
| State Restriction (CA) | NO DIRECT SHIP TO CALIFORNIA |
| State Restriction (IL) | NO SALE TO ILLINOIS PICA |
| State Restriction (RI) | NO DIRECT SHIP TO RHODE ISLAND |
| State Restriction (WA) | NO DIRECT SHIP TO WASHINGTON |





