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Archer Airguns QB78 Family Breech, Weaver-Style Rails, XP Bolt Left Hand .177 Cal
Archer Airguns left hand weaver-style replacement breech and bolt kit for Chinese QB78 family CO2-powered wood and metal airguns.
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Our Price: $94.99


Availability:: Usually Ships in 1 to 2 Business Days
Product Code: QB78WSBREECHLHXP177


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At last! A true left-hand operated breech for the QB78 family - and includes an XP Tune Kit bolt so you increase muzzle velocity by 100fps at the same time!

Customize your .177 caliber QB78-family air rifle, including all the "AR" models. This Archer Airguns left hand custom steel breech allows you to upgrade your QB78-family air rifle to accept Weaver-style scope rings and left-handed operation for the first time. Fits the QB79, QB78 Deluxe, AR2078, AR2078A, AR2079 and clones of these models branded with Tech Force, SMK and other brand names.

This breech provides maximum flexibility for scope mounting with a total of 12 slots that accept Weaver-style rings and mounts.

Precision CNC-manufactured from steel, this breech is a direct replacement for the standard factory part. It's fitted in the same way and requires no machining, filing or any other modification to your air rifle. This custom breech and bolt kit is well-priced and works with the factory bolt handle, the Archer Airguns Oversize Bolt Handle or the Archer Airguns 91/30 Bolt Handle LEFT HAND VERSION.

Please note that the standard factory bolt does not work with this left-hand breech, this is why we included a dedicated left-handed XP bolt in the kit.

If you want this part fitted to any new QB78-family air rifle ordered from Archer Airguns, choose the "Installed" option below.

As always with Archer Airguns products, this kit includes all the parts you will need to complete the job, as follows:
1 x Steel Breech with Weaver-Style Rails (Part Number 1200 Replacement)
3 x Barrel O rings
1 x Breech Seal
1 x XP Tune Bolt, Left Handed
1 x Bolt Probe O ring

PLEASE NOTE: This left handed breech is not compatible with the AR2078-style Main Tube with Degassing Key. Unfortunately the bolt handle obstructs access for the Degassing Key.


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Archer Airguns QB78 Family Workshop Manual
Our Price: $29.99

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Archer Airguns workshop manual for Chinese QB78 family CO2-powered wood and metal airguns. Also for Crosman 160.


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