The BTO Signature Series lowers feature our BT-15 forged lowers and each variant is spec’d out by a different member of the team. The components used are what that person would put in their ideal lower receiver. They’re built in-house and follow our strict QC procedures.
“Ike” Specs:
| Pivot/Takedown Pins | CMMG HD |
| Bolt Catch | Badger Enhanced |
| Magazine Release Button | FCD EMR (Serrated) |
| Magzine Release Lever | CMMG Ambi |
| Selector | Badger C1 |
| Selector Detent | KNS |
| Trigger | SOLGW LFT |
| Pistol Grip | Magpul K2 |
| Trigger Guard | Magpul MOE |
| Receiver Extension | SOLGW L9A5RE |
| Buffer Spring | Sprinco Green |
| Buffer | A5H2 |
| Buffer Retainer | FCD RBF |
| Castle Nut | FCD CNF |
| Endplate | SOLGW Standard |
| Stock | Magpul SL |
BT-15 Lower Receiver Specs:
HK Pictogram Selector Markings with Selector Markings for AUTOÂ (Because we can)
- 7075-T6 Aluminum Forging, Type 3, Class 2 Hard Coat Anodized
- Precision Broached Magazine Well
- Accepts all Mil-Spec Components
- Threaded Takedown Pin Detent Hole
- Takedown Pin Detent Spring Retaining Screw Included

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