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GON Classifieds
San Tan STT-15 Complete Upper 223 Wylde
Posted: October 18, 2024 (4 weeks ago)
Complete upper including BCG. Lightly used, approx 200 rounds. Selling to fund a MK12 build. 1:7 twist, easily shoots sub MOA with quality ammo. Comes with Magpul MBUS PRO iron sights and ODIN Works bipod adapter.
.223 Wylde barrel, machined from 41V50 vanadium steel with a 1:7 twist, ½-28 threaded end, and dimpled for gas block alignment and retention. Noveske 2-port muzzle brake.
STT Enhanced Bolt Carrier Group – AR15 5.56/.223/300 Blackout BCG rounds out the internals. Our BCG is 9310 case hardened steel, MPI, and HPT tested to 70,000 psi. It features three gas ports to bleed of excess gas encountered with suppressors and full auto tail is enlarged and chamfered to allow for faster center up in the buffer tube and to prevent carrier tilt. Finished in black nitride coating with a staked gas key.
Midwest Industries® combat rail gives the STT15 a full-length picatinny rail with M-LOK attachments all around for any attachment needs and two more QD sling points.
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