Rock River Arms Completed Upper Receiver A4 .450 Bushmaster 20 Inch Barrel 1-24 Twist 5/8-32 Thread Free-Float Handguard Brake Black
$693.84
at MidwayUSA · checked 5 hours ago
2 retailers · 1 in stock
This listing: Optics Planet $649.99, out of stock
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Offers
$693.84
+ free shipping
History
Shipping estimate for one item to the lower 48 from the retailer's published policy or feed; the retailer's cart is final.
Price history
Lowest price across retailers each day.
- Lowest seen
- $599.24
- Typical price
- $673.04
- Tracked since
- Jul 1, 2026
Today's best price is $94.60 above the 131-day low and 3% above typical.
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