When it's time to build your next AR platform rifle you'll need to start with a solidly built lower that you can count on and a bit of whimsy never hurts. That's why you should start your build with a Pineapple Grenade Stripped Lower receiver from Spikes Tactical for your next modern musket. This lower receiver features color filled engravings of the iconic Spikes Pineapple Grenade with Safe, Fire and Aloha Snackbar selector markings. Milled from ultra-strong 7075-T6 forged aluminum this lower is built to last. It's multi caliber marked so it can be used to for any standard AR-15 caliber including .223/5.56, 6.5 Grendel or .300 AAC Blackout. It has an integrated trigger guard and accepts any standard AR15 pattern magazine including GI and PMAGS. Fully compatible with all mil-spec internal parts and aftermarket mil-spec upper receivers, it's also low shelf/RDIAS compatible. With the Pineapple Grenade you won't have any trouble building the ultimate lower receiver. Clean lines and precision machining give you an amazing looking base platform with a mil-spec MIL-A-8625F Type III Class 2 Hard Coat Anodized finish. When it's time to build your next modern sporting rifle, it's time to pickup a Pineapple Grenade from Spikes Tactical. After a hard day in the field or on the range you'll be more than ready to say aloha to the snackbar.