Mac1 Airgun Distributors

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Bulk models and accessories

Hang down 3.5oz mini-tank
The following Crosman models need slight or no mods at all. SA6, 36, 44, 1861, 45, 73, 99, and 500 Fake CO2/Tank-Top/3.5oz tank combo kit. $60 w/one 3.5oz Tank.

Crosman/QB's that can Hang Tank from BulkAdapter. Airguns that can use bulk adapters on the end of the pressure vessel like a Farco, Crosman, QB, and most Filipino can have a 3.5oz. tank hung from the bulk adapter on the end of the gun via our Tank-Top adapter. A 45 degree or 90 degree elbow can be utilized to hang the tank straight down or angled back. Fits Crosman 150, 157, 160, 167, 180, 187, 400, 600, 622/Mac-1 style, 1100, QB77, 22, 78. $85 includes bulk adapter, 45 or 90 degree fitting, tank top and 3.5 oz tank.
Crosman's that need a hole drilled in action/wood/forearm to hang 3.5 oz tank. Models that have a CO2 in a non-pressurized tube can have a fake CO2 fitted and a hole drilled to hang the 3.5 oz. tank via a tank-top. Fits Crosman SSP250, 262, 600, 677, 1077, Benjamin/Sheridan G392/397, FB, F, EB, E9, E, etc. $60 for hardware including one 3.5oz tank. Labor varies by model depending on the extent of modifications required.

Czech CO2 Guns
No modifications are required to fit the following models with the Mac-1 Hanging Tank Adapter. Tau 7, Aeron B96, Drulov, Chameleon, Tau 200, etc. The cost is $25 for the adapter and we take one of your Piercing caps as a core. The adapter can have a check valve for $12.50 extra so the gun will stay charged when the tank is removed. It is not recommended that these guns be stored charged unless the o-rings in the gun have been upgraded. The balance for off hand work is really great. $60 includes one 3.5oz tank. $72.50 includes check valve.

Bulk CO2 extended tube style
Extended bulk can be done to the following models: QB 77, 78, 22, 2079, TF79, Crosman 150, 157, 160, 167, 180, 187, 400, 600, 622/Mac-1 style, 677, and 1100. $65 with extension tube and Mac1 bulk adapter. Add $10 for universal kit that will fit all the above guns. Kits shorter than 8” are $5 less. Our tubes normally have fine QB threads on one end and coarse Crosman threads on the other so they can be fitted to a wider selection of guns.

3.5 oz. Bulk CO2 Tank Hanging from Grip Frame

No modifications are required to fit the following models with the Mac-1 bulk fill adapter: Crosman Mark I, II, S&W 78, 79, Daisy 780, 790 and 41. $70 includes bulk adapter and one 3.5 oz tank.
Extra Tanks with On/Off valves, protective cap & spare o-ring
3.5 oz. $35
12 oz. $40
20 oz. $45

Installing Extension tubes

Mac-1's bulk extensions are made with a QB fine thread on one end and a Crosman coarse thread on the other. If fitting to a QB you should have a fine thread coupling collar and a coarse thread bulk adapter retaining collar. Vice Versa for a Crosman. The alloy sealing adapter with two o-rings on it goes in the end of the tube that will join the factory tube.
When fitting extensions to any guns with a barrel strap loosen the stock and pull the barrel strap off the guns tube and slide it off the end of the barrel.
Then screw the extension onto the factory tube and snug it. Check factory tube to extension alignment and adjust alignment B4 final tightening. Slip the barrel strap over the tube and barrel and retighten. Install bulk adapter. Make sure you open bolt B4 you charge gun partially. Check for leaks and if all's fine charge gun fully as per instructions.

Fill Adapters

45 or 90 degree elbow adapters. $5
Transfer systems to fill small tanks from master tank. $20
Tank-Tops to adapt paintball tank to fill Crosman/QB, etc. $15 in blued steel
Adapter to fill Crosman or Pilipino style bulk tanks from master tank. $15