Sig Sauer MCX SPEAR 6.8×51 16″ (SKU SIRSPEAR6816BNG)
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Sig Sauer MCX SPEAR 6.8×51 16″ tactical centerfire semi-auto rifle — ambidextrous bolt/catch release, SLX/SLH QD flash hider, and M-LOK rail; packaged qty: 12 (SKU SIRSPEAR6816BNG).
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Description
Description
Product Overview
Sig Sauer MCX SPEAR 6.8×51, 16″ is a tactical centerfire semi-automatic rifle listed under Rifles / Tactical Centerfire Semi-Auto Rifles. Verified distinguishing features include an SLX/SLH QD flash hider, M-LOK rail, and ambidextrous bolt/catch release. Manufacturer and brand are Sig Sauer. Package quantity is 12 and SKU is SIRSPEAR6816BNG. (source: f002, f004, f005, f006, f007, f009, f010, f011, f008, f014)
Why This Product
- Ambidextrous bolt/catch release (f011) supports use by left- and right-handed operators and simplifies manipulation during reloads or clearing.
- M-LOK rail (f010) provides standardized attachment points for accessories such as rails, lights, or grips without changing the handguard interface.
- SLX/SLH QD flash hider (f009) offers a quick-detach flash mitigation muzzle option when a QD-capable muzzle device is required.
Key Verified Specifications
- Brand / Manufacturer: Sig Sauer (f002, f006, f007)
- Model designation / platform: MCX SPEAR 6.8×51, 16″ (existing full title) (f001)
- Primary features: SLX/SLH QD flash hider; M-LOK rail; Ambidextrous bolt/catch release (f009, f010, f011)
- Package quantity: 12 (f008, f012)
- SKU: SIRSPEAR6816BNG (f014)
Appropriate Use Cases
- Equipping a tactical or training inventory where ambidextrous controls and M-LOK accessory mounting are required (supported by f011, f010).
- Purchasing stock for resale or bulk procurement — product is supplied in a package quantity of 12 (f008).
What Customers Should Know
- Confirm regulatory and local sale requirements for firearms before ordering; this listing only provides product attributes from the catalog (f002, f003).
- Package Qty is 12 — plan receiving and inventory accordingly (f008, f012).
- Verify model fit, barrel length, and any exact configuration details you require with your supplier or the manufacturer; only features present in the source facts are listed here (f001).
Specifications
- Short Stroke Gas Piston Gas System (Rifle Length)
- 18.6″ Barrel Length ( Mid-Weight style, non-fluted)
- 1:8 Twist Rate Rifling

