Hydra-Matic A1 Bolt Carrier Group - CORRECT Markings 1:1
- Phosphated and built with only the best parts
- ALL springs upgraded to Springco Hydra-Matic A1 Bolt Carrier Group - CORRECT Markings 1:1 and highest performance available
- MP Tested bolt - with 1:1 Hydra-Matic specific bolt marking in the same style/size
- These parts are hard to find and when they are found often worn out, refurbished and generally not reliable.
Other BCG's Available TOO
- Lion HR style with the CORRECT placement and style of MP engraving -
- olt MP Bolt/Carrier for:
- XM16E1
- XM177E2
- Commando - XM177E1
- 68-75 604
- 65-69 604
- 605
- GX-5857
- GAU-G/AA