Rival Arms RARA42G006A Slide Completion Kit | Glock 21 | 45 ACP

This Rival Arms Slide Completion Kit provides the internal components required to finish a Glock 21 slide build. Parts are produced to tighter tolerances than factory, with select components CNC-machined from stainless steel and low-temperature PVD coating applied to selected pieces for increased wear resistance. The kit is intended to complete the slide assembly so the user can pair it with a barrel, guide rod, and a completed lower for range use.

Product Specifications

• The manufacturer is Rival Arms.
• The model is a Slide Completion Kit.
• The manufacturer’s part number is RARA42G006A.
• Compatible with the Glock 21 slide platform.
• The listed caliber in the product title is 45 ACP.
• The primary material used for select components is Stainless Steel.
• The finish on select parts is PVD (low-temperature vacuum physical vapor deposition).
• The kit includes: Striker (firing pin) Spring, Extractor, Striker Safety Spring, Back Cover Plate, Extractor Depressor Plunger, RA Precision Striker (firing pin), Striker Spacer Sleeve, Depressor Plunger Spring, Striker Safety, Spring Loaded Bearing, Striker Spring Cups, and Slide Channel Liner.
• The kit is designed so no gunsmith is required for standard installation into a compatible slide.
• Select parts are CNC-machined from solid stainless steel billet.
• Components are individually hand inspected for accuracy.
• Select components feature a low-temperature vacuum PVD coating for durability.
• The product carries a limited lifetime warranty.
• The UPC is 788130031971.

This slide completion kit is a practical choice for builders and armorers assembling a Glock 21 slide. It consolidates all required internal slide components into a single package, emphasizes dimensional accuracy, and uses durable finishes and materials on critical parts to support consistent mechanical performance at the range.