These handguards are typically much lighter and more aesthetic. It only attaches at one point on the rifle or pistol, and that's via the barrel nut, which is secured to the front of the upper receiver:īecause the handguard is only attached via the barrel nut, it does not contact the barrel itself or the gas block. That's where free-float handguards come in.Ī: A free-float handguard quite literally "floats" over the barrel and gas block. The drawback is that such a handguard, when affixed directly to the gas block and barrel, can reduce accuracy. This handguard is considered the most "rugged." It would take an exceptional amount of force - likely enough to bend the barrel itself - to dislodge this handguard. These types of handguards typically have a quad Picatinny rail for attachments, or they'll be smooth, provided only as a place to grip with your non-firing hand, like the one below.
As the name implies, a two-piece handguard comprises two halves, which meet together at the barrel nut and front sight bus / gas block, clamping together around the barrel and gas tube. Q: What is a drop-in or two-piece handguard?Ī: This is the original handguard design found on commercial AR-15s, adopted directly from service-issued M4s and M16s. Is M-LOK better than KeyMod? Does a Picatinny rail still have its place on a modern AR-15? What's the difference between a drop-in handguard and a free-float unit? Let's clear it all up. With so many handguards available on the AR parts market, picking the right one can get a little confusing.
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