A 2-part Urutau upper designed for AR-9 barrels.
The upper itself should be printed with the same settings at the normal upper, the sleeve should be solid and (optionally) printed in Nylon (to shield the upper from barrel heat). Unlike using my sleeve and the normal upper, this one will prevent the barrel from spinning (I had issues with it spinning when trying to remove my fake can).
LBRY Tags: urutau; ketcham1009; ar-9; 3dprinting; fosscad
u/ketcham1009 · 2025-01-02 01:44:19 UTC · score 2
Adding on to the above, use the "Urutau AR-9 Upper", not the "Urutau AR-9 barrel sleeve and shim". The latter is unneeded if you use the former.
If you plan to mag dump, print the unfloater and the 'insert' section of the AR-9 upper in high temp filament like nylon. It should prevent melting/sagging.
u/kopsis · 2025-01-01 18:07:58 UTC · score 3
Build info:
- Urutau w/ 16" AR-9 barrel and modified upper from ketcham1009
- Grip body and slappy mod from The_Mi3_Channel
- Push Pop Angled Grip from Middleton Made
- Lil Chonker grip from Laffs Dynamics
- AR-9 Barrel Unfloater from ketcham1009 modified with slappy magnet catch by me
- Monstrum Ghost red-dot/…
u/kopsis · 2024-09-29 14:05:43 UTC · score 4
Urutau. You get 26" overall length with a 16" barrel and the extended rear cover so you can be legal in free states without the SBR hassle and regardless of what happens with the pistol brace ruling appeal. You also get the experience of making the bolt and FCG yourself (and even the barrel if you want). It's a …
UBAR-9 Lower Receiver
Urutau AR-9 barrel Un-Floater v1.1
Urutau AR-9 barrel sleeve and shim v1.1
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