Description
The Troy MRF is the strongest user-installed free-floating rail system in the world. Troy MRFs are available for all M16/M4 weapon systems equipped with the original factory barrel nut. The MRF’s patented mounting system 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.
Replaces the factory delta ring. Installation does not require removal of the front sight or barrel.
Accessory Attachment: M1913 Picatinny
Brand: Troy Industries
Finish: Hardcoat Anodized
Gas System Length: Rifle
Material: Aluminum
Platform: Ar-15
SKU#: SRAI-MRF-R2BT-00
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The description is not accurate. It does require to remove the barrel to install this handguard, if the existing configuration has a delta ring (other than cutting off the delta ring). That being said, it is still fairly easy to install. I put this on a PSA "Premium" 20" rifle upper and it fits perfectly. The rail extends exactly from the upper receiver to the FSB. It does not require the removal of the retaining cap but I took it off for better (imaginary) accuracy.
The mounting mechanism is very secure. Unlike the one-piece Troy handguards, this MRF wraps on the mil-spec barrel nut cylinder and bits on to the teeth to prevent rotation. The rails lined up perfectly for me. The quality is very good, close to (but not exactly as good as) DD RIS II. RIS II is also a bit slimmer. I prefer RIS II on 14.5" but MRF on 20".