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Army Custom 5.1/4.3 Hi-Capa Series Part – Blow Back Unit (R501-A-040)
£11.99
This blow back unit is produced for the Army Custom Hi-Capa range and carries the part number R501-A-040, covering both the 5.1 and 4.3 models. It is aimed at players servicing or rebuilding their pistol’s slide internals.
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Description
The ARMY R501-A-040 blow back unit is a replacement internal component for the Army Custom Hi-Capa series. It is listed for both the 5.1 and 4.3 variants of the Hi-Capa, so it can be used when rebuilding or servicing either slide length.
The blow back unit sits inside the slide and forms part of the assembly that cycles the pistol as it fires. This is the unit itself, identified by the part reference R501-A-040, which is the number to quote when checking that the component matches the pistol you are working on.
Because the Hi-Capa range has been produced in more than one configuration, it is worth confirming the part number against your own pistol before ordering. Fitting is a job for someone comfortable stripping the slide and reassembling the internal parts.
- Replacement blow back unit
- Part reference R501-A-040
- Listed for Army Custom Hi-Capa 5.1 and 4.3
- Internal component for the slide assembly
Additional information
| Shell Ejecting | No |
|---|---|
| Recoil | No |







