9mm

Silencerco AC59 Osprey/Octane Piston .5x28XL 9mm Stainless Steel

Gun Parts

UPC 00817272010237

Compare prices

1 offer · 0 in stock · sorted by best price

Retailer	Price	Stock	Last checked	Deal
East Valley Tactical	$77.13	Out of stock	19m ago	Go to deal

Prices and stock are from each retailer's latest check and can change. Price Dope may earn a commission from retailer links. Disclosure

Description

This piston by Silencer Co. is made out of 17-4 stainless steel, and is used for 9mm caliber handguns. Made for the Osprey and the Octane, this piston features a 1/2" x28 XL thread pattern.

Specs

Brand	Silencerco
Category	Parts · Parts
Caliber	9mm
UPC	00817272010237
Size	9 mm
Type	Piston
Model	1/2x28 XL

Finish	Stainless
Series	Piston .5x28XL
Material	Stainless Steel
Description	1/2X28
Similar_items	SUPACC
Thread_pattern	1/2"-28 tpi

Report a wrong product match Browse gun parts & accessories

D.O.P.E.Price history

Lowest price across connected retailers, from every price check we've recorded.

Current best: $77.13
Low: $77.13
High: $77.13
Tracking since: Oct 8, 2026

One price check so far ($77.13 on Oct 8, 2026). The chart fills in as retailers are re-checked.

Recent price checks (1)

Date	Retailer	Price	Stock
Oct 8, 2026, 5:15 PM PT	East Valley Tactical	$77.13	Out of stock

More from Silencerco

All Silencerco →