HUXWRX Fixed Barrel Spacer | Black Nitride | 1836

The HUXWRX Fixed Barrel Spacer (MFG# 1836) replaces the RAD piston spring on fixed-barrel systems to facilitate mounting a suppressor. It is precision-machined from 17-4 stainless steel and finished with a black nitride coating for corrosion resistance. The spacer is a multi-fit design compatible with HUXWRX RAD 9 and RAD 45 suppressors and is interchangeable with several common fixed-barrel spacers.

Common applications include suppressor installation on fixed-barrel pistols and range/competition use where a durable, low-profile spacer is required.

Product Specifications

• The manufacturer is HUXWRX Safety Company.
• The model is Fixed Barrel Spacer.
• The manufacturer’s part number is 1836.
• The material is 17-4 stainless steel.
• The finish is black nitride.
• The color is black.
• The spacer fits HUXWRX RAD 9 and RAD 45 suppressors.
• The spacer replaces the RAD piston spring for fixed-barrel systems.
• The spacer is interchangeable with SilencerCo and Rugged fixed barrel spacers.
• The product type is Part.
• The subcategory is Suppressor Accessories.
• The listed weight value is .04 (unit not specified in source data).
• The product is identified in distributor data with part variants including HUX, HUXSA01, HUXSAALL, SA01, SAALL.
• The UPC is 706433763412.

Designed as a straightforward, durable solution for fixed-barrel suppressor mounting, this spacer combines corrosion-resistant materials with precision machining to maintain alignment and repeatable fit. Its compatibility with multiple common spacer designs makes it a practical choice for shooters focused on reliable, low-profile hardware for range and competition setups.