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The GBLS DAS Steel Bolt Carrier Group is the key parts of GBLS’s design that directly engages in firing and generating recoil.
Do you want more recoil? Yes. you can feel it!
All parts are precisely machined with CNC to have high strength and excellent quality.
Full Steel construction
CNC machined ASTM A576 grade 1045
CNC machined steel nipple cover
CNC machined steel piston and spring guide.
2019 Version Nozzle.
Oil Temper wire spring
Weather-resistant Matt Black Oxide finished