Colt M4 5.56 Upper Receiver Groups - M4 Le6921 Upper Group 14.5in With Bcg And Sights

Upper Colt UPC 098289035325 MPN LE6921CK

Colt M4 5.56 Upper Receiver Groups - M4 Le6921 Upper Group 14.5in With Bcg And Sights
$638.99

at Good 4 Guns ·

Shipping calculated in cart

6 retailers · $638.99 to $810.99 in stock

This listing: Brownells $853.85, out of stock

Offers

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
$638.99
Typical price
$699.99
Tracked since
May 5, 2026

Today's best price matches the 189-day low and is 9% below typical.

Embed this chart

A live price-history image, updated as we track new prices. Paste the snippet that matches where you're posting.