Does anyone have experience with running the 450 Bushmaster upper on you S&W M&P lower?
I see they are hard to find, out of stock at most locations.
What are you seeing in your area for price?
16 or 20 inch?
Jim
I see they are hard to find, out of stock at most locations.
What are you seeing in your area for price?
16 or 20 inch?
Jim
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