| H190-47 | Ball Point Pin for Fire/Safe Selector | $1.36 |
| HG78-1M | HFC Gas Blow Back Series Filling Mouth for M190 | $5.50 |
| HG64M | HFC Gas Blow Back Series Largest, Top-Most Magazine O-ring for H | $2.00 |
| H72M | HFC Gas Blow Back Series Magazine lid for HG185 | $4.50 |
| HG71M | HFC Gas Blow Back Series Magazine Pin for HG185 | $3.00 |
| H6-2 | HFC Gas Blow Back Series Metal Barrel for MFA92B & MSA92B | $17.00 |
| HG66M | HFC Gas Blow Back Series Middle-Sized Magazine O-ring for HG185 | $1.50 |
| H10 | HFC Gas Blow Back Series Piston Lid for HG185 | $4.00 |
| H6-1 | HFC Gas Blow Back Series Plastic Barrel for PSA92B & PFA92B | $5.95 |
| HGA190C | HFC Gas Blow Back Series Safety Lever Unit for MFA92B & PFA92B | $8.00 |
| H190-78-2M | HFC Gas Blow Back Series Small, Bottom Magazine O-ring | $4.00 |
| H60-1 | HFC Gas Blow Back Series Spring for H47 | $0.68 |