Magpul cups come with 2 size cups and 3 screws. $20 shipped
Black RIver Tactical linear compensator for 5.56 $35 shipped
Fortis QD rail mount $18 shipped
IKH SLAP sling mount end plate $18 Shipped
Post an "Ill take it" followed by an IM or Email. Paypal is best but I will take an Postal money order.