P&S IS THE MANUFACTURER FOR THE KNIGHTS ARMAMENT M4 RAS CARBINE HANDGUARD KIT, OFFERING (1) UPPER HANDGUARD ASSEMBLY & (1) LOWER HANDGUARD ASSEMBLY, (1) VERTICAL PISTOL GRIP, (3}-11 RIB RAIL COVERS, AND (1) 6 RIB RAIL COVER NEW IN THE PLASTIC BAG. $ 495.00 DELIVERED TO THE LOWER 48 PRIORITY MAIL WITH TRACKING. I accept discreet Zelle or Friends & Family PayPal (no comments or mention of gun parts) for electronic payment OR USPS Money Orders only. Quanities are limited so buy one now