GrovTec Crush Washer, Fits .223/556 NATO, Black Oxide - GTHM319
GrovTec
Overview
The GrovTec Crush Washer is designed specifically for .223/5.56 NATO caliber applications, providing a reliable seal when attaching muzzle devices. With a thread pitch of 1/2x28, it ensures a snug fit to prevent gas leakage and maintain optimal performance. This component is commonly found in builds aiming for enhanced accuracy and reduced recoil, making it a staple for precision-oriented AR-15 setups.
Specifications
Price and stock
Availability is good for the GrovTec Crush Washer, Fits .223/556 NATO, Black Oxide - GTHM319: it was in stock at one retailer or another nearly every day in September 2026, and today all 7 retailers we track have it in stock. It dipped to $9.99 at Sportsmans Outdoor Superstore for a stretch in September 2026, well under its usual $17.99, so sales do come around. Buying today, the lowest price is $9.99 at Sportsmans Outdoor Superstore, which matches the best price we saw in September.
Prices checked · refreshed daily across 35 retailers
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