(903) 259-6600|Tue–Fri 10am–6pm · Sat 10am–5pm|2510 Hemphill St., Greenville, TX
(903) 259-6600|Tue–Fri 10am–6pm · Sat 10am–5pm|2510 Hemphill St., Greenville, TX
$1,660.99
SIG M400 SDI 5.56 16 XSERIES MOSS TELE MLOK
Warehouse inventory: 10 available
Store inventory: Not in store
Fully Ambidextrous Controls – Low Profile Gas Block with Mid-Length Direct Impingement Gas System – SIG 2-Stage Matchlite Duo Trigger – SIG Flash Hider-Compensator – 6 Position Magpul MOE-SL Stock – 16 Cold Hammer Forged Steel Barrel – CALIBER 5.56 NATO – FRAME MATERIAL ALLOY – FRAME FINISH MOSS GREEN CERAKOTE – BARREL MATERIAL COLD HAMMER FORGED STEEL – BARREL FINISH FNC – MAGAZINE CAPACITY 30 ROUNDS – TRIGGER SIG 2-STAGE MATCHLITE DUO TRIGGER – OVERALL LENGTH 36.5 in – OVERALL HEIGHT 7.1 in – OVERALL WIDTH 2.75 in – BARREL LENGTH 16 in – BARREL TWIST 1:7 in – WEIGHT W/MAGAZINE 7.0 lb
| upc | 798681701216 |
|---|---|
| manufacturer | Sig Sauer |
| Manufacturer Part Number | RM400-SDI-16B-MSGRN |
| Action | Semi-Auto |
| ATF Type | MODERN SPORTING RIFLE |
| Barrel Length | 16" |
| Caliber/Gauge | .223 REM/5.56 NATO |
| Capacity | 30 |
| Length | 33.25'' |
| Magazine Included | 1 x 30-Round |
| Model | M400 |
| Number of Magazines | 1 30 rd. Polymer Mag |
| Package Height | 4.0 |
| Package Width | 11.3 |
| Product Type | AR |
| Rate of Twist | 1:7" |
| Safety | Lever Action |
| Shipping Weight | 9.627 |
| 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 |
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June 11, 2026
The federal suppressor tax stamp dropped from $200 to $0 in 2026, making suppressor ownership more accessible than in decades.
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June 11, 2026
The DOJ and ATF announced sweeping reforms to modernize firearms rules and ease compliance burdens on gun owners and FFLs.
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June 11, 2026
Two Supreme Court cases on drug-user gun bans and Hawaii’s carry restrictions could reshape how Second Amendment rights are interpreted.
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