9mm Luge

SIG Sauer 8900278 P320 X-Series Slide Assembly 3.9" Barrel SIG P320 9mm Luger Black Stainless Steel Romeo1Pro

Gun Parts

UPC 00798681632282

Compare prices

1 offer · 0 in stock · sorted by best price

Retailer	Price	Stock	Last checked	Deal
East Valley Tactical	$685.33	Out of stock	5m 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 factory replacement, P320 RXP X-series Stainless Steel slide assembly fits Carry and Compact size (X-series & non-X-Series) grip modules. It accommodates our 3.9 barrel. This slide comes with the Romeo1Pro mounted on top, ready for use and is equipped with suppressor height, X-ray night sights. *Note, only for use on 9mm/ .357SIG / .40S&W firing control units (FCU). It will not function with a .45 ACP FCU.

Specs

Brand	Sig Sauer
Category	Parts · Parts
Caliber	9mm Luger
UPC	00798681632282
Model	P320
Series	X-Series

Material	Stainless Steel
Firearm_fit	Sig P320
Firearm_type	Handgun
Similar_items	Slide
Compatible_with	3.9" Barrel

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D.O.P.E.Price history

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

Current best: $685.33
Low: $685.33
High: $685.33
Tracking since: Oct 8, 2026

One price check so far ($685.33 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	$685.33	Out of stock

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