Looks great however some issues - Guntec USA Ultra Thin Key Mod Free Floating Handguard w/Monolithic Top Rail

Bought for a new pistol build. The price was good and the length was what I needed. So, I made the jump. When i received the item it appeared solid. Install was a pain. No tools or instructions came with the handguard. The barrel nut will not torque with a regular armour wrench. I had to use a adjustable wrench and when trying to get atleast 40 ft lbs in the holes would not line up. With and without shims. So, I stripped the he'll out if the outside surface if the barrel nut. I've built about 20 rifles in over a year and never struggled like it did with this one. By no means any fault of optics planet. If this product was 30 dollars less I would expect difficulty. Hope this helps if your in the market for a Gun tec handguard.