"M27" inspired Quad Rail Handguard for the BRN-4(TM) and HKA(R) 416 platforms Available in 11 and 9 inch lengths, the BRN-4 M27 handguards are suitable for a variety of barrel lengths and applications. The 11 inch model is right at home with the BRN-4 M27 16 inch barrel, as it covers up the gas block and provides plenty of picatinny rail real estate on a rifle platform. The 9 inch model is right at home on carbine builds, especially a handy 10.4" model. Unique to Brownells BRN-4, these quad rail handguards are available in Flat Dark Earth. The handguard by itself on a matte black upper receiver has a distinct and unique look, and breaks up the overall profi Mfg: Brownells