INTRODUCING THE TNW ASR EXTENDED HANDGUARD WITH M-LOK! – The ASR Extended Handguard is a front attachment for your ASR that attaches to your ASR the same way a barrel nut does and adds about 10 inches in length to the receiver. The ASR Extended Handguard with M-LOK adds M-LOK positions around the front for additional accessory attachments such as flash lights laser points sling mounts and more.