You can choose between factory stems and delrin custom stems. The delrin stems will pop open easier giving more power.
The stem length on these is:
QB Chief Early Version 35mm
QB Chief II 31mm
QB78/79/AR2078/79 37.5mm
Categories
- Air Rifle Maintenance and Cleaning (16)
- Air Rifle Parts (163)
- Avenger Accessories (12)
- Bandit/PP800 Accessories (28)
- Beeman Accessories (2)
- Buttstocks and Buffer Tubes (4)
- Chaser Accessories (22)
- CR600W accessories (12)
- Crosman parts (12)
- FX accessories (34)
- Gauntlet Accessories (4)
- JTS accessories (4)
- M11 Accessories (11)
- M16 and M16A Accessories (11)
- M60B (8)
- Muzzle Brakes (1)
- PP20 Accessories (2)
- PP700SA Accessories (13)
- PP750 accessories (35)
- Stormrider accessories (24)
- Xisico Sentry Accessories (3)
- Air rifles (78)
- Ammo, Mags and CO2 (211)
- Archery (9)
- Cases, Bags & Backpacks (4)
- Chronographs (7)
- Flare/Blank Pistols (4)
- Hand Pumps (7)
- HPA oil/water PCP Filters (5)
- PCP accessories (33)
- PCP Compressors (2)
- Pcp Regulators (9)
- Rangefinders (2)
- Rifle Scopes (66)
- Rimfire Rifles (1)
- Shipping insurance (1)
- Slingshots, ammo (1)
- Targets (20)
Sorry. For my late review. Order the valve stem for my dead (almost two year not working because of valve stem could find it) Beeman QB Chief now she is alive again ( shooting ). Thank you ,and Thank you. Without you my Beeman QB Chief Would be still resting in peace. Have buy from you and will continue to do so. 5*****
Do you have a replacement for the Beeman qb Chief,if not can you make it
yep you should see the option on the product page. Thanks,