Edit -two SPF, two left.
4x Black Unity Tactical VFG - like new, installed once each. Fits KeyMod or any Tube-style rails, with package and install instructions, $19 shipped, each - or $18 each for two or more. Nothing wrong with them - I have just need for a a longer grip area with my preferred grip, so my loss is your gain. Less expensive than buying direct and paying shipping. Buy all 4, get my one and only Unity Tactical ballcap for free.
Email with any questions, it’s faster than PMs here. Paypal or Money order work fine for me.