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Sig Sauer RM400SDI16BP M400 X-Series 5.56x45mm 30+1 16″ Black FNC Chrome Moly Steel Barrel, Black Anodized Aluminum Receiver, 15″ M-LOK Handguard, Synthetic Magpul SL-K Stock, Black Polymer Grip
Sig Sauer RM400SDI16BP M400 X-Series 5.56x45mm 30+1 16″ Black FNC Chrome Moly Steel Barrel, Black Anodized Aluminum Receiver, 15″ M-LOK Handguard, Synthetic Magpul SL-K Stock, Black Polymer Grip
$1,499.99
Out of stock
Disclaimer: It is the customer’s responsibility to ensure that all orders comply with applicable local and federal regulations. Non-compliant orders are subject to a 30% restocking fee. We reserve the right to dispute any chargebacks related to such orders.
The M400 X-series features a free-floating M-LOK handguard, Magpul SL-K 6-position telescoping stock, Sig Flat Match Grade trigger, 16″ Chrome Moly barrel, and a 7075 T-6 aluminum receiver with a black hardcoat anodized finish.
Your Trusted Online Firearms Store – Shop with Confidence!
Looking for the best prices on Sig Sauer RM400SDI16BP M400 X-Series 5.56x45mm 30+1 16″ Black FNC Chrome Moly Steel Barrel, Black Anodized Aluminum Receiver, 15″ M-LOK Handguard, Synthetic Magpul SL-K Stock, Black Polymer Grip by Sig Sauer? ADA Armaments LLC proudly serves Boise with unbeatable pricing, expert service, and exclusive rewards.
Best Prices in Boise.
Earn Rewards on Every Purchase.
Special Bundles & Firearm Packages Available.
Safe & Secure Checkout – Shop with confidence using trusted payment options.
Compliance-Ready – All sales follow federal, state, and local firearm laws.
No shipping to California.
Limited Stock – Visit Us Today or Shop Online Before They’re Gone!Â
| UPC | 798681664634 |
|---|---|
| Manufacturer | |
| Manufacturer Part Number | RM400-SDI-16B-P |
| Action | Semi-Auto |
| ATF Type | MODERN SPORTING RIFLE |
| Barrel Finish | Black FNC |
| Barrel Length | 16 |
| Caliber/Gauge | .223 REM/5.56 NATO |
| Capacity | 30 |
| Length | 46.1000 |
| Magazine Included | 1 x 30-Round |
| Model | M400 |
| Number of Magazines | 1 30 rd. |
| Package Height | 4.3 |
| Package Width | 11.3 |
| Product Type | AR |
| Rate of Twist | 1:7" |
| Safety | AMBI SAFETY CONTROL |
| Shipping Weight | 10.0 |
| 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"-28 tpi |
| Units per Box | 1 |
The M400 X-series features a free-floating M-LOK handguard, Magpul SL-K 6-position telescoping stock, Sig Flat Match Grade trigger, 16″ Chrome Moly barrel, and a 7075 T-6 aluminum receiver with a black hardcoat anodized finish.
Your Trusted Online Firearms Store – Shop with Confidence!
Looking for the best prices on Sig Sauer RM400SDI16BP M400 X-Series 5.56x45mm 30+1 16″ Black FNC Chrome Moly Steel Barrel, Black Anodized Aluminum Receiver, 15″ M-LOK Handguard, Synthetic Magpul SL-K Stock, Black Polymer Grip by Sig Sauer? ADA Armaments LLC proudly serves Boise with unbeatable pricing, expert service, and exclusive rewards.
Best Prices in Boise.
Earn Rewards on Every Purchase.
Special Bundles & Firearm Packages Available.
Safe & Secure Checkout – Shop with confidence using trusted payment options.
Compliance-Ready – All sales follow federal, state, and local firearm laws.
No shipping to California.
Limited Stock – Visit Us Today or Shop Online Before They’re Gone!Â
| UPC | 798681664634 |
|---|---|
| Manufacturer | |
| Manufacturer Part Number | RM400-SDI-16B-P |
| Action | Semi-Auto |
| ATF Type | MODERN SPORTING RIFLE |
| Barrel Finish | Black FNC |
| Barrel Length | 16 |
| Caliber/Gauge | .223 REM/5.56 NATO |
| Capacity | 30 |
| Length | 46.1000 |
| Magazine Included | 1 x 30-Round |
| Model | M400 |
| Number of Magazines | 1 30 rd. |
| Package Height | 4.3 |
| Package Width | 11.3 |
| Product Type | AR |
| Rate of Twist | 1:7" |
| Safety | AMBI SAFETY CONTROL |
| Shipping Weight | 10.0 |
| 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"-28 tpi |
| Units per Box | 1 |





