Pivot pin removal tool While removing the standard handguards can be done (with great effort) by hand, it generally requires 2 people with the physique of the Incredible Hulk to depress the "delta ring" enough to remove the handguards.. There are commercial tools that you can get that make...
When building an AR-15, the key components that should be considered are the lower receiver, upper receiver, barrel, bolt carrier group, charging handle, gas block, handguard, buttstock, and sights. The lower receiver is the foundation of the rifle, while the upper receiver houses the barrel...