Copyright © 2026 Custom Firearms. Created by – AB Siddik Shakib.
| PRODUCT SPECIFICATIONS: | ||
| Dimension | 3.75 X 14.85 X 43.50 | |
| Height | 3.7500 | |
| Width | 14.8500 | |
| Length | 43.5000 | |
| CALIBER | 223 REM/5.56 NATO | |
| TYPE ACTION | SEMI-AUTOMATIC | |
| RATE OF TWIST | 1:7″ | |
| METAL FINISH | ANODIZED | |
| STOCK MATERIAL | SYNTHETIC | |
| BARREL LENGTH IN INCHES | 16.0000 | |
| OVERALL LENGTH IN INCHES | 36.8000 | |
| MAGAZINE CAPACITY | 30.0000 | |
| DETACHABLE MAGAZINE | Y | |
| HINGED FLOORPLATE | N | |
| SIGHTS | N | |
| STOCK COLOR | BLACK | |
| WEIGHT IN POUNDS | 6.4 | |
| METAL COLOR | BLACK | |
| TYPE OF RIFLE | MODERN SPORTING RIFLE | |
| CHECKERING | N | |
| RECOIL PAD | N | |
| SWIVEL STUDS | N | |
| OTHER FEATURES: | ROSE GOLD FLASH HIDER AND | |
| CONTROLS,ROSE STYLIZED ROMEO 5 | ||
| GEN II,MAGPUL TELESCOPING | ||
| STOKE,(3)5.56 DUMMY ROUNDS | ||
| NO DIRECT SHIP TO CALIFORNIA | ||
| NO DIRECT SHIP TO RHODE ISLAND | ||
| NO DIRECT SHIP TO WASHINGTON | ||
| UPC | 798681716593 |
|---|---|
| Manufacturer | Sig Sauer |
| Manufacturer Part Number | RM400-16B-ROSE-R5X2 |
| Action | Semi-Auto |
| ATF Type | MODERN SPORTING RIFLE |
| Barrel Finish | Black |
| Barrel Length | 16 |
| Caliber/Gauge | .223 REM/5.56 NATO |
| Capacity | 30 |
| Color | Black |
| Length | 43.5000 |
| Magazine Included | 2 x 30-Round |
| Model | M400 |
| Number of Magazines | 2 30 rd. Magpul Mags |
| Package Height | 4.0 |
| Package Width | 14.0 |
| Product Type | AR |
| Rate of Twist | 1:7" |
| Safety | Ambidextrous |
| Shipping Weight | 14.1 |
| 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 |
| Thread Pattern | 1/2"x28 |
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