Deal
The Rainier Piston Series are built in collaboration with Adams Arms Piston Kits. The 5.56 Midlength Base 16" Upper is a standard mil-spec upper that incorporates the patented Adams Arms technology. from AIM Surplus (Product XRA1406)
Flag Reason
Price Incorrect
Out of Stock
Backordered
Duplicate
Risky Deal
Other
Enter a comment about the problem. If the price is wrong, enter the new price below.