B&T Extended Handguard One Side QD for 480mm (18") APC308 Pro BT-362088

B&T QD Foregrip Short Version BT-211564-BL

B&T QD Short Coyote Tan Vertical Foregrip w/Quick Release Throw Lever BT-211564-CT

B&T MP5 SD 3x NAR Handguard BT-21343

B&T HK MP5 3x NAR Handguard BT-21358

B&T USA MBT Folding Stock Fits APC9/40/45 in Black - High-Quality Folding Stock for APC Series with Enhanced Tactical Performance - 361639

B&T APC223/300/308 PRO Folding Retractable Stock BT-361640 in Black

B&T HK MP5K 3x NAR Handguard BT-21573