SIG Sauer SRDPISTONM145X1LH SRD Piston 40 S&W M14.5x1 LH 17-4 Stainless Steel Black

Suppressors

UPC 00798681525133

Compare prices

1 offer · 0 in stock · sorted by best price

Retailer	Price	Stock	Last checked	Deal
East Valley Tactical	$64.00	Out of stock	18m 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

Convert your SRD45 suppressor to a 14.5x1mm Left Hand thread pitch with the SRD-PISTON-M145X1LH. The piston is made of 17-4 heat treated stainless steel with a matte glass bead finish. The piston will fit a variety of hosts and it is a perfect choice for converting your SRD45 to .40 S&W or 10mm (sub-sonic). Simply swap the conversion piston with the original piston in your suppressor to match your barrel thread pattern.

Specs

Brand	Sig Sauer
Category	Ds suppressors · Parts
Caliber	.40 S&W
UPC	00798681525133
Thread_pattern	M14.5x1LH

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D.O.P.E.Price history

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

Current best: $64.00
Low: $64.00
High: $64.00
Tracking since: Oct 8, 2026

One price check so far ($64.00 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	$64.00	Out of stock

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