Part Replacement Guide

Service Schedule

Part Replacement

Below is the replacement schedule for parts based on the number of rounds fired while they were installed. Buy the kit, or replace the individual parts. American-made. Lifetime warranty on APF Armory® components.

Every 3,000 rounds

3,000 Round Service Kit

Firing pin, extractor group, gas rings, springs, and the small parts that wear first. One kit covers the 3,000-round list below.

Shop 3,000 round kit
Every 10,000 rounds

10,000 Round Service Kit

Gas key, cam pin, disconnector, H2 buffer, and carbine buffer spring. Barrel and gas tube are sold separately by caliber.

Shop 10,000 round kit

Replace every 3,000 rounds

If you’d like a kit of the parts below, use the 3,000 round kit.

Part numberDescriptionQty
RPUP025Firing Pin1
RPUP009Firing Pin Retaining Pin1
RPLP026Ejector Spring1
RPUP011MPExtractor1
RPUP012Extractor Buffer1
RPUP013Extractor Spring1
RPUP014Extractor O-Ring1
RPUP010Gas Rings3
RPLP023Hammer/Trigger Pins2
RPLP019Disconnector Spring1
RPLP025Selector Detent1
RPLP005Magazine Catch Spring1
RPLP007Hammer Spring1
RPLP009Trigger Spring1

Replace every 10,000 rounds

If you’d like a kit of the parts below, use the 10,000 round kit.

Part numberDescriptionQty
RPUP020NITGas Key1
RPUP021SGas Key Screws2
RPUP008Cam Pin1
RPLP029Disconnector1
RPLP901H2 Buffer1
RPLP907AR-15 Carbine Buffer Spring1
Multiple optionsBarrel1
Multiple optionsGas Tube1
The 10,000 round kit does not include a barrel or gas tube. That is due to the number of calibers and barrels APF Armory® offers, which also require different length gas tubes.
30,000-round service life. APF Armory® recommends the firearm be removed from service after 30,000 rounds.
Need a part that isn’t in a kit?