SIG Sauer MCX Spear 6.8x51 AR-15 Rifle 16" 20rd, Coyote - RSPEAR-68-16B-NG
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Sig Sauer
Overview
The SIG Sauer MCX Spear is the semi-automatic civilian version of the US Army's XM7 rifle from the Next Generation Squad Weapon program. It is chambered in 6.8x51 (.277 SIG Fury) with a 16 inch barrel and a 20 round magazine, finished in coyote.
Specifications
Available Merchants(9)
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Price Alert
Price and stock
Availability is good for the SIG Sauer MCX Spear 6.8x51 AR-15 Rifle 16" 20rd, Coyote - RSPEAR-68-16B-NG: it was in stock at one retailer or another nearly every day in September 2026, and today 6 of the 9 retailers we track have it in stock. It dipped to $3,547.27 at BattleHawk Armory for a stretch in September 2026, well under its usual $4,199.99, so sales do come around. Buying today, the lowest price is $4,199.99 at Brownells, above September's low of $3,547.27, so a better deal may come back.
Prices checked · refreshed daily across 37 retailers
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