| Part Name | Part Number |
| Grip Nut PL/CA/98 | 9-PA |
| Receiver Bolt (Short) 98 | 98-01A |
| Receiver Bolt (Long) 98 | 98-01B |
| Custom Receiver (left) | 98C-01L |
| Custom Receiver (Right) | 98C-01R |
| Split Grip (left) | 98-02L |
| Split Grip (Right) | 98-02R |
| End Cap 98 (Plastic) | 98-05P |
| Front Grip 98 (Left) | 98-07L |
| Rear Bolt Plug 98 | 98-08 |
| Front Grip (Right) | 98-07R |
| Straight Gasline Tank Adapter | 98-06 |
| #4 7 7/8 Gas Line | 98-09C |
| 10/32 x 1 1/8 BHCS | 98-06A |
| Stock 98 Barrel | 98-39 |
| Trigger Return Slide | 98-18 |
| Return Slide Dowel Pin | 98-19 |
| 98 Custom Trigger | 98-36A |
| Feed Elbow | 98-04 |
| Feed Latch Screw | 98-42 |
| Feed Elbow Latch | 98-43 |
| Ammo Box Washer | 98-45 |
| Ammo Box Screw | PL-42C |
| Ammo Box Nut | PL-42D |
| Rear Bolt 98 | 98-11 |
| Rear Bolt O-Ring 98 (New) | 98-12A |
| Bolt Handle 98 | 98-13 |
| Front Sight 98 | 98-14 |
| Front Sight Pin 98 | 98-15 |
| Linkage Arm 98 | 98-16 |
| Front Bolt 98 (New) | 98-17N |
| Trigger Return Slide Spring 98 | 98-20 |
| Custom Power Tube | 98-21N |
| Velocity Screw 98 | 98-22 |
| Valve Body 98 (New) | 98-25N |
| Valve Lock Screw 98 | 98-26 |
| Rear Sight (Plastic) 98 | 98-27P |
| Sight Dove Tail (Plastic) 98 | 98-28P |
| Valve Spring 98 | 98-32 |
| Receiver Dowel Pin | 98-33 |
| Sear 98 | 98-35 |
| Safety 98 New | 98-37N |
| Trigger Guard | 98-38 |
| Barrel O-Ring 98 | 98-40 |
| Front Sight Spring 98 | 98-44 |
| Safety O-Ring 98 (Red) | 98-55 |
| Valve Plug 98 | 98-56 |
| Buffer O-Ring 98 | 98-57 |
| Grip Screws 6-32x3/8 Ca | CA-02A |
| Adaptor Nuts 10-32 Ca | CA-08B |
| Drive Springs 98,Ca | CA-14 |
| Drive Pins Ca | CA-15 |
| Front Valve Seat Ca,98 | CA-27 |
| Cup Seat | CA-29 |
| Valve Stem | CA-30N |
| Dowel Pins 1/8x5/8 (BLACK) | CA-36 |
| Safety O-Rings (BLACK) | FA-07 |
| Ball Latch | FA-18 |
| Cup Seal | PA-28 |
| Valve Snap Rings | PA-31A |
| Grip Screw 10/32 X 7/8 | PL-01A |
| Trigger \ Sear Spring SL,98 | SL2-10 |
| Valve Seat O-Ring | SL2-25 |
| End Cap O'ring SL | SL2-4 |