*Contest ends Sept 15th, 2021 11:59 PM EST. Limit one entry per person. Limited free targets, while supplies last.
Diana Chaser Breech Block .177, Left-Handed
Diana leaves no lefty behind! If you want to place your .177 caliber Diana Chaser's bolt on the right side of the pistol, use this part to customize your CO2 pistol.
This item is not eligible for coupon discounts
Create an online review
Very well machined and finished. Converts the bolt handle to a more familiar right side of the rifle. Clearance width of the slot for the bolt handle is a bit wider than the original one, which allows for using a more robust Crosman bolt handle after retapping the bolt to 8x32 threads. The bolt does not even need to be drilled before tapping.and this eliminates the problem of bolt handle breakage that seems common with the original Diana handle.Things I would have changed:
Could use some directions but installation is pretty simple.What others should know:
Just remember to swap the small rubber ball into the new breech. The ball is located under a set screw on the underside of the original breech and provided a bit of drag on the bolt to eliminate any play;.
Built exactly as the right-handed breach ......... works perfect.Things I would have changed:
INCLUDE DETAILED INSTRUCTIONS WITH ILLUSTRATIONS !!!!!!!!!What others should know:
Firstly, to remove the origin breach, the pistol stock needs to be removed by removing the screw that holds the trigger guard on. Once you get the original breach off (see the proper method I received from Tyler in the question/answer section), there are a number of pieces on the original breach that need to be stripped off and reinstalled on the new breach. These include an o-ring and all the set-screws. On reassembly, be aware the bolt needs to be positioned correctly so that the cocking mechanism will function. Also be aware that under the second set- screw from the rear of the original breach there is a little rubber ball that you need to push out and reinstall on the new breach. It puts tension on the bolt to eliminate slop and needs to be adjusted before the breach is installed. Then move the magnet. Lastly, the screw under the gas port on the main body of the gun may need to be loosened in order to position and seat the brass bushing-connector properly on top of the o-ring.
Got a question or answer?
Will this also work for the Airbug?
Will this also work for the Bandit?
Does this breech fit the Stormrider?
Out of Stock
Estimated in-stock date 08-09-21
Get FREE shipping on qualifying orders!
Any order $150+ with a shipping address in the contiguous US
will receive the option for free ground shipping during checkout.
Certain restrictions apply.
Free shipping may not be combined with a coupon unless stated otherwise.
View Shipping Info
We work hard to get all orders placed by 12 pm EST out the door within 24 hours on weekdays
because we know how excited you are to receive your order.
Weekends and holiday shipping times will vary.
During busy holidays, we step our efforts to ship all orders as fast as possible, but you may experience an additional 1-2 day delay before your order ships. This may also happen if you change your order during processing.
View Shipping Times
It's important to know that due to state and local laws, there are certain restrictions for various products.
It's up to you to research and comply with the laws in your state, county, and city.
If you live in a state or city where air guns are treated as firearms you may be able to take advantage of our FFL special program.
U.S. federal law requires that all airsoft guns are sold with a 1/4-inch blaze orange muzzle or an orange flash hider to avoid the guns being mistaken for firearms.
View Shipping Restrictions
We have a team of expert technicians and a complete repair shop that are able to service a large variety of brands/models of airguns.
Additionally, we are a factory-authorized repair/warranty station for popular brands such as
Air Arms, Air Venturi, Crosman, Diana, Seneca, and Weihrauch airguns.
Our experts also offer exclusive 10-for-$10 Test and 20-for-$20 Service, which evaluates your air gun prior to leaving our warehouse. You'll be able to add these services as you place your order.
View Service Info
Shop and purchase with confidence knowing that all of our air guns (except airsoft) are protected
by a minimum 1-year manufacturer's warranty from the date of purchase unless otherwise noted on the product page.
A warranty is provided by each manufacturer to ensure that your product is free of defect in both materials and workmanship.
View Warranty Details
Didn't get what you wanted or have a problem? We've got you covered!
Return any item in new condition along with its original packaging and any accessories
that might have come with your air gun and receive a full product refund within 60 days of purchase
or, if you'd prefer, exchange for another product.
Our customer service team can help determine the best course of action and provide you with some options in the event you're interested in an exchange.
Learn About Returns
Join the Pyramyd Air mailing list: Our e-mails are filled with new products, deals, sneak peeks, tips and tricks, contests and more - sign up today!
Airgun safety is no accident. You must be 18 years or older to buy any air gun or air rifle in our store.
Text JOIN to 91256 and get $10 Off Your Next $50+ Order.