The Sons of Liberty Gun Works Blaster Starter Kit (SOLGW part no. BSK) is a mil-spec or better lower parts kit built for shooters sourcing their fire control group and grip separately. It covers every other small part needed to finish an AR-15 lower, including a pivot pin, a takedown pin with two takedown pin springs, three QPQ steel takedown pin detents, a mil-spec cast bolt catch with its buffer and spring, a steel mag catch button with mag catch spring, a mil-spec cast safety selector with a QPQ steel detent and selector spring, and a buffer retainer pin with its spring.

Key Specifications

• Includes a pivot pin, takedown pin, and two takedown pin springs for the receiver pins.
• Includes three QPQ steel takedown pin detents for a corrosion-resistant finish.
• Includes a mil-spec cast bolt catch with matching bolt catch buffer and spring.
• Includes a steel mag catch button with mag catch spring.
• Includes a mil-spec cast safety selector with a QPQ steel safety detent and selector spring.
• Includes a buffer retainer pin and spring.
• Ships without a fire control group or pistol grip, for builders sourcing those separately.

Frequently Asked Questions

Does this kit include a trigger or grip? No, it is a mil-spec or better lower parts kit sold without a fire control group or grip.

What hardware does this kit cover? Pins, detents, the bolt catch assembly, mag catch assembly, safety selector assembly, and buffer retainer hardware needed to finish the rest of an AR-15 lower.

Buy the Sons of Liberty Gun Works Blaster Starter Kit

Finish your build with an AR lower parts kit from Sons of Liberty Gun Works. Order it from our Lubbock, Texas gun shop for fast, reliable shipping.