The NcSTAR MARFLF2 223/556 Flip Up Front Sight/Low Profile is a must-have for AR-15 enthusiasts, providing precision and practicality in one compact design. This low-profile front sight is engineered for seamless compatibility with various mounting options, enhancing your shooting experience effortlessly. Its robust construction ensures durability, while the flip-up feature offers unobstructed sight lines. Compatible with handguard rails, monolithic receivers, and gas blocks at the same level as AR-15 receiver rails Flip-Up A2 Front Sight Post conveniently folds down Fully adjustable A2 front sight post for elevation Durable aluminum and steel construction Overall height: 1.8" (Extended), 1.0" (Folded) Lightweight design at only 2.1 oz. Upgrade your rifle with the NcSTAR MARFLF2 for unmatched accuracy and performance.