Introducing the Lyndon - a 5.7x28mm rifle for homebuilders
Posted: 21 Feb 2018, 11:32
1x Hera Arms thumbhole (or ban-compliant non-thumbhole) stock
1x AR carbine buffer tube - milspec or commercial
2x buffer tube castle nuts
1x buffer tube end plate
1x AR carbine recoil spring
1x eBay AR trigger jig
1x hacksaw or Dremel
1x AR FCS parts - trigger, hammer, safety, etc
1x AR57 upper
1x CavArms or other 1/4" retaining pin
Cut the back of the trigger jig off to fit the stock, and voila!
ETA: There must be a LOT of cats here.