San Tan Tactical STT15 Ambidextrous 5.56 10.5" Carbine Pistol Black Anodized

San Tan Tactical STT15 5.56 AR15 pistol built with true matched, hand-finished pillar billet sets.

The STT15 lower is fully ambidextrous and includes three QD attachment points.

Key build details:

• Upper: cut from a single solid 7075T6 certified aerospace aluminum billet; receiver serial number matched sets are hand ground for fit/finish and repeatable accuracy
• Upper machined with M4 feed ramps and MIL-SPEC machining
• Barrel: San Tan 5.56 barrel machined from 41V50 vanadium steel with a 1:7 twist; threaded 1/2-28 and dimpled for gas block alignment and retention
• Trigger: CMC AR15 3.5 lb single stage flat bow drop-in trigger
• Bolt Carrier Group: STT Enhanced BCG (9310 case hardened steel, MPI and HPT tested, proof tested to 70,000 psi), black nitride coating with a steaked gas key; features three gas ports optimized for suppressor use
• Rail: Midwest Industries combat rail with full-length Picatinny and M-LOK attachments, plus QD sling points

STT15 5.56 pistol features include:

• STT suppressor-optimized enhanced bolt carrier group
• STT 5.56 barrel
• CMC Triggers flat 3.5 lb single stage drop-in trigger
• Magpul MOE grips and stock
• M-LOK handguard
• Ambidextrous charging handle
• MIL-Spec 6-position buffer tube and H1 buffer
• Precision CNC machined from billet 7075-T6 certified aluminum
• Extended feed ramps
• Ambidextrous mag and bolt release controls
• Type III Class 2 deep black hardcoat anodized black