LanTac USA LLC 308 Enhanced BCG, Black Nitride 01-UP-762-NIT-EBCG
KRISS USA, Inc Forend, Black, Picatinny Side Rail Kit And Mounting Hardware, Receiver Extension Kit KVA-VMRBK07
KRISS USA, Inc Receiver Extension Kit, Black, Picatinny Side Rail Kit And Mounting Hardware, Fits GEN II CRB KVA-VMRBK01
KRISS USA, Inc Receiver Extension Kit, Picatinny Side Rail Kit And Mounting Hardware, Fits GEN II CRB, Alpine White KVA-VMRAP01
KNS Precision, Inc. AR-15 Firing Pin Retaining Pin, Black PERMA
Knights Armament Company URX 4 556 Rail, 10.75", MLOK Rail Adapter System, Includes Shim Set and Wrench, Black Finish 32304-1075
Knights Armament Company SR-15, CQB Mod2, Complete Upper Receiver, 556NATO, 11.5" Hammer Forged Barrel, Black Finish, MLOK 31963
Knights Armament Company SR-15, Carbine Mod2, Complete Upper Receiver, 556NATO, 14.5" Hammer Forged Barrel, Black Finish, MLOK 31949
Knights Armament Company URX 3.1, Rail, 13.5", Upper Receiver Extending Rail Adapter System, Black Finish 30325
Knights Armament Company Free Float RAS, Rail, Black, AR-15, Carbine 20208
Knights Armament Company SR-25, Precision Rifle Complete Upper Receiver, 6.5 Creedmoor, 22" Mid-Weight Precision Profile Barrel, 1:8 RH Twist, QDC 3-Prong Flash Suppressor, Black Finish, 18" URX4 MLOK Handguard 100223
KE Arms Upper, Forged, 223 Rem/556NATO, Black Finish, w/Forward Assist and Dust Cover, M4 Feed Ramps and T-Marked 1-50-03-008
Kinetic Development Group, LLC Scarging Handle, Ambi, SCAR Charging Handle, Flat Dark Earth Finish SCP5-021
Kinetic Development Group, LLC Scarging Handle, Ambi, SCAR Charging Handle, Black Finish SCP5-020
Kinetic Development Group, LLC SCAR MREX M-Lok MKII Handguard, 2.2", Flat Dark Earth, Fits SCAR 16s/17s, Includes 2 M-Lok Pic Rail Sections MRX5-MK2-140
Kinetic Development Group, LLC SCAR MREX M-Lok MKII Handguard, 2.2", Black, Fits SCAR 16s/17s, Includes 2 M-Lok Pic Rail Sections MRX5-MK2-040
I.O. Inc. Upper Receiver, 223 Rem/556NATO, 7.5" Barrel, 7" Rail, Black Finish AARUML7
I.O. Inc. Upper Receiver, 223 Rem/556NATO, 16" Barrel, 15" M-Lok Rail, Black Finish, Does not include BCG or Charging Handle AARUML15
I.O. Inc. Low Profile Gas Block, .750", (Roll Pin and Gas Tube Not Included) 13013325
Hogue OverMolded Grip/Forend Kit, Longer Yugo Version, Fits AK-47 & AK-74 Variants, Black Finish 74018
Hogue Forend, Rifle Length, Free Float with OverMolded Gripping, Accessory Attachment, Black Finish 15074