



Sig SAUER MCX-SPEAR 6.8x51mm SBR 13in Semi-Auto Rifle RSPEAR-68-13B-NG-SBR
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Sig Sauer | MCX SPEAR | MPN: 51 | UPC: 798681701292 | Coyote | 6.8x51mm | Semi-Auto | 13" Barrel | 20+1 Capacity | 26" - 35" OAL | 8.9 lbs | Threaded 5/8x24
13" threaded barrel. Optics-ready, no iron sights. Collapsible / folding stock. Ambidextrous controls.
Specifications:
- Brand: Sig Sauer
- Model: MCX SPEAR
- MPN: 51
- UPC: 798681701292
- Product Type: NFA
- Category: Short Barrel Rifles (SBR)
- Caliber: 6.8 x 51mm
- Action: Semi-Auto
- Barrel Length: 13"
- Barrel Threaded: Yes
- Thread Pitch: 5/8x24
- Twist Rate: SLH/SLX Suppressor F
- Overall Length: 26" - 35"
- Weight: 8.9 lbs
- Capacity: 20 + 1
- Finish: Coyote
- Color: Brown
- Frame Material: Coyote Anodized
- Stock: Collapsible / Folding Stock Coyote (FDE)
- Grips: Sig Sauer
- Grip Type: Sig Sauer
- Sights: No Sights / Optics Ready
- Safety: Ambidextrous Lever
- Trigger: Sig Two-Stage Matchlite Duo
- Magazine Type: 1 × 20 rd. AR-10 Magazine
- Hand: Ambidextrous
- Manufacturer: Sig Sauer
- Model Number / SKU: RSPEAR-68-13B-NG-SBR (from title)
Technical Specifications
| Caliber | 6.8MM |
|---|---|
| Capacity | 20 |
| Barrel Length | 13.00" |
| Action Type | Semi-Auto |
| Finish | Coyote |
| Overall Length | 35.00" |
| Frame Material | Steel Threaded |
| Receiver Material | Alloy Steel |
| Stock Material | Folding Magpul SL-M |
| Barrel Description | Steel Threaded |
| Sights | No Sights / Optics Ready |
| Trigger Type | Sig Two-Stage Matchlite Duo |
| Safety | Ambidextrous Thumb Safety |
| Grip | Sig Sauer |
| Grips | Polymer |
| Thread Pitch | 5/8x24 |
| Twist Rate | SLH/SLX Suppressor F |
| Magazine Type | Polymer AR Style Magazine |
| Manufacturer | Sig Sauer |
| Model | MCX SPEAR |
| SKU | L937749 |
| UPC | 798681701292 |
| Weight | 8.9 lbs. |
| Magazines Included | 1 20 rd. AR-10 Mag |
| Color | Coyote |
| Availability | In Stock |
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Shipping & Returns
Ships to your local FFL
This firearm ships to a licensed dealer (FFL) near you for pickup, not to your home. You'll choose your FFL during checkout, and if you don't have one in mind, we'll help you find a nearby dealer. You complete the background check and pick it up there.
Shipping Information
- Firearms ship via FedEx or UPS with signature required
- Tracking information provided for all orders
- Shipping costs calculated at checkout based on weight and destination
Return Policy
- Firearms must be returned unfired and in original packaging within 3 days of FFL transfer
- 15% restocking fee applies to all firearm returns
- Contact us for return authorization before shipping items back
- Original shipping costs are non-refundable
Questions?
Contact us at 256-962-0301 or submit a question for assistance with shipping or returns.






