SIG Sauer MCX Spear LT Semi-Auto 16" 5.56 30rd Rifle, Black - RMCX-556N-16B-LT-B
Click to see full view
Plan where it ships
Firearms ship to a dealer (FFL), not your door. Pick one now to see your full cost.
Sig Sauer
Overview
The SIG Sauer MCX Spear LT Semi-Auto 16" 5.56 30rd Rifle, Black - RMCX-556N-16B-LT-B is a complete rifle. Compare prices from multiple merchants and find the best deal.
Specifications
SIG Sauer MCX Spear LT Semi-Auto 16" 5.56 30rd Rifle, Black - RMCX-556N-16B-LT-B
Available Merchants(5)
Prices checked
Price Alert
September 2026 on GunPartPicker
SIG Sauer MCX Spear LT Semi-Auto 16" 5.56 30rd Rifle, Black - RMCX-556N-16B-LT-B ranked #35 of the 136 complete rifles builders added on GunPartPicker in September 2026. Builders have been adding it to their builds on GunPartPicker since April 2026. All time, it ranks #26 of the 479 complete rifles builders have added.
Availability is good: it was in stock at one retailer or another nearly every day in September 2026, and today 3 of the 5 retailers we track have it in stock. Prices barely moved in September 2026, holding around $2,599.99, so there haven't been real sales lately. Buying today, the lowest price is $2,599.99 at BattleHawk Armory, which matches the best price we saw in September.
Updated · from real builds on GunPartPicker · Prices checked · refreshed daily across 37 retailers
Not sure which complete rifle to pick?
Check it against the live catalog:
No reviews yet. Be the first to review this product!