BRN-4 UPPER RECEIVER https://alnk.to/b7xVrur
BRN-4/416 Bolt Assembly https://alnk.to/4qL8atO
BRN-4 Firing Pin Spring https://alnk.to/5ufG3ow
BRN-4 Firing Pin https://alnk.to/cb2tkp5
BRN-4 Upper Receiver Assemblies with Chrome Lined Barrels https://alnk.to/d3Cgeut
BRN-4 Upper Receiver Op Rod Bushing For HK416 & HK417 https://alnk.to/cHMKgSe
BRN-4 BARREL NUT WRENCH https://alnk.to/58qa5NI
BRN-4 416 Type Complete BCG Nitride https://alnk.to/g3b8Uoa
Geissele BRN-4 SUPER MODULAR RAIL MLOK MK15 https://alnk.to/aLIptVo
BRN-4 416 Type Gas Block for 10.4in https://alnk.to/aLIptVQ
BRN-4 416 Gas Ring 3 Pack https://alnk.to/dLhi9Pt
BRN-4 416 Compatible Piston Rod Assembly https://alnk.to/aANEv9C
BRN-4 Gas Block Coil Pins, 2-Pack https://alnk.to/6mPsXA6
Geissele HK416/MR556/BRN-4 SUPER MODULAR RAIL https://alnk.to/faBm0nG
BRN-4 STRIPPED BARRELS CHROME LINED https://alnk.to/5Far2kK
BRN-4 416 Type Gas Block for 14.5/16in Barrels https://alnk.to/7fpfRGq
BRN-4 STRIPPED BARRELS https://alnk.to/9T8CzVz
BRN-4 Buffer Retainer https://alnk.to/btnrphm
BRN-4 416 Compatible Operating Rod Assembly https://alnk.to/9IdRB8Q
BRN-4 Stripped Upper Receiver Billet https://alnk.to/3clPiXO
Handguard Retaining Screw for HK416/MR556 https://alnk.to/h6FGNq5
Magpul Enhanced Ejection Port Covers https://alnk.to/7X4hN0m