The B&T USA APC9 MP5 Lower Trigger Group Alloy replaces the standard lower assembly with a precision-machined unit that accepts HK MP5-pattern trigger packs.
- Part Type: Lower Trigger Housing
- Compatible Firearms: B&T APC9, APC45
- Material: Alloy
- Finish: Factory Standard
- Installation: Armorer-Level Recommended
- Includes: Lower Trigger Group Housing (trigger pack sold separately)
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