22xx M4 drop tank carbine
I still need to add some picatinny rails on the foregrip bottle cradle, and an oversized bolt handle…but other than that this one is DONE! Thank God!!! I put in many hours of blood, sweat, and tears on this build 😡
Minute of rodent carbine for sure with the iron sights at 20 yards. Best group so far at 20 is 3/8″ with JSB express (14.3) traveling 850 fps.
This is a fun gun to shoot 😀 The reg 2000 psi and I did not even bother to run more than 15 shots over the crony. It keeps the shots within 10 fps range. I’d imagine it gets a TON of shots. Don’t feel like wasting lead to find out! Very light, very comfortable. flip down front sight so you can scope it with the turn of two screws (to remove the M4 carry handle rear sight).
Muzzle brake by Joe at muzzle mack. Barrel crowned and tp mod by Alejandro at AC custom parts. breech by Anthony (yellow forum) Stock adapter/power adjuster by Charles M. trigger group by B.F.D. Bottle cradle/foregrip by 80 grit (don’t aske what it was from…I found it lying in the garage and knew what it would become!). I mounted a sloped picatinny rail in the stock mounting holes (breech) on this one. I tapped the front one to 10-32 (Tagdagger gets credit for doing the first one for me, thanks bro! This one I did myself). Here she is:

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I might sell it in the future…but I would have to get a little more than what I have in it, not less.
Thanks for all the encouraging words guys…despite all the “cursing” I sometimes do while building them (being relatively new to these guns…) I still enjoy tinkering with them 🙂
LOL Man you never seem to qiut amazing me, you have some good work and some good ideas. Lot’s of shots from one fill in that tank.
I specialise in all the fields of mechanics and hydralics and electricity, but I never had the inventing skills you guys on here has. Good page it is. 😀