You can find the Armaspec Lower Parts Kit LPK Without Trigger/Grip 5.56 Black here. Fast $9.95 shipping on this item!
The Armaspec Lower Parts Kit LPK Without Trigger/Grip includes all the normal LPK parts except for the trigger or grip.

For AR-15s in .223/5.56mm.
Color: Black

Kit includes:
Armaspec SFT 45/90 Safety Selector Bolt Catch Enhanced Takedown Pin Stainless Steel Takedown detent Takedown Detent Spring Enhanced Pivot Pin Stainless Steel Pivot Detent Pivot Detent spring Stainless Steel Buffer Retainer Magazine Catch Magazine Spring Enhanced Magazine Release Button Stainless Steel Bolt Catch Detent Stainless Steel Safety Selector Detent Bolt Catch Roll Pin Bolt Catch Spring Buffer Retainer Spring Selector Detent spring Enhanced Trigger Guard Trigger Guard Roll Pin Trigger Guard Setscrew Grip Lock Washer Grip Screw Note: This is NOT a complete lower parts kit. This is a LPK without Fire Control Group and Grip. This Kit does not include the Pistol Grip, Trigger and Hammer, Trigger and Hammer Springs, Disconnect and Disconnect Spring.