The Troy MRF Quad Rail Handguard is the strongest user-installed free-floating rail system in the world. Troy MRF is compatible with all standard AR-15 platforms equipped with the original factory barrel nut. The Troy MRF features a patented mounting system that reinforces the barrel nut with a sturdy clamp and anti-rotation alignment lugs. Troy MRF BattleRails provide an uninterrupted rail extension and hand guard aligned perfectly with the host weapon's flat-top receiver all while only adding 4 oz to the total weight of the rifle.
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