High quality components and precise manufacturing make Bastion parts ideal for maintaining and upgrading firearms. The durability, reliability and excellent build quality of these parts will ensure years of service you can count on.
- Fits Standard AR-15 Upper
- .300 BLK Â Engraved on both sides
- Includes rod & spring
- Precise Manufacturing
- Long Term Reliability
- Durable Construction
John Nau (verified owner) –
I dig the font and the utility but, more than anything, I dig the self portrait.
bryce.t.reynolds (verified owner) –
Fit and finish is top notch just like everything from this company.
David Anderson (verified owner) –
I like APEs spin on being able to ID different caliber, especially when shooting with friends
Sean Callaway (verified owner) –
Nice fit and finish. A great way to quickly identify 300 BLK uppers.
Includes everything needed to install it, even though the pictures don’t show it (it is mentioned in the description).