Stern Defense SD 6in MOD5 MLOK .45ACP Upper Receiver Assembly 8in M-LOK Handguard .578-28 TPI 1-16 Twist Rate Black 015SD8INMD5ML6INBR45ACPKK

Handguard Stern Defense UPC 850001176576 MPN 015SD8INCHMOD5MLOK6INCHBARREL45ACPKK

Stern Defense SD 6in MOD5 MLOK .45ACP Upper Receiver Assembly 8in M-LOK Handguard .578-28 TPI 1-16 Twist Rate Black 015SD8INMD5ML6INBR45ACPKK
$550.00

at Optics Planet ·

Free shipping over $49

4 retailers · $550.00 to $567.07 shipped

Firearm Data Lab may earn a commission when you buy through this retailer link. Commissions never change a price or move a cheaper listing below a pricier one. When two retailers tie exactly, the one that pays us a commission is listed first.

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
$460.09
Typical price
$460.09
Tracked since
Jun 25, 2026

Today's best price is $89.91 above the 140-day low and 20% above typical.

Embed this chart

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