Closing Down Sale 20% OFF

Ox Mainsprings
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Ox Mainsprings for sale at McAvoy Guns

Closing down sale 20% OFF selected items

Sale commences at 9.00am October 10th 2024
  • The sale is available for products that are in stock only, that arrived in stock PRIOR to 1/9/24 - this web site does not feature live stock availability to check availability of a product & if it is included in the sale, please email; mcavoyguns@aol.com or call 01257 426129.
  • For in store customers items not included in the sale will generally be identifiable with an orange ticket.
  • All items must be paid for in full before 30/11/24.
  • All purchased guns must be collected before 30/11/24.
  • Sale discount can not be used in conjunction with, or in addition to any existing special offers.
  • Existing store credit / items already reserved / existing orders are not included in the sale.
  • We may accept part exchanges, though this will be on a very limited basis.
  • The seven day trial that we usually include with used goods will not be available during this period (you do still get our 3 month's repair warranty)
  • All items will be on a first come, first served basis.
  • The following products are not included in the sale; Bulk ammunition & other products which have quantity discounts already applied or items which are already on special offer.
  • Services we offer are not included in the sale, for example gun repairs, storage, transfer fees, shipping fees etc.
  • We reserve the right to withdraw the sale at any point without notification.
  • The above terms & conditions are in addition to our regular Terms & Conditions, which you can read by clicking here

Fitting details;

The World's NO.1 square spring. The perfect replacement or upgrade for standard mainsprings. 

Accelerater springs feature molybdenum & PTFE for up to 40% more compressed poundage than conventional mainsprings

WARNING - FITTING A MAINSPRING MAY CAUSE THE POWER OF YOUR RIFLE TO EXCEED THE LEGAL LIMIT - WE RECOMMEND FITTING TO BE CARRIED OUT ONLY BY A GENUINE GUNSMITH

NO1 FITS - BSA Airsporter, Lightning, Anschutz 335, Original 35, 38, 45, 50, RWS 24, 27, 34, 45, 50 reium, HW50, HW55, HW57, HW85, HW90, HW99, Haenel Lion, ASI CF 16/20, Webley Mk3 (if the spring guide is reduced by 20 thou) 

NO2 FITS - BSA Meteor, HW57, Milbro Diana G80 and 27, Norica, Baikal 

NO3 FITS - BSA Superstar (12ftlbs only), Webley (all models) 

NO4 FITS - HW35 (Diana Orig RWS 52, 48) 

NO5 FITS - HW80, Webley Eclipse 

NO6 FITS - HW77, HW(&, Feinwerkbau Sport, Also larger original models if ultimate power required 

NO7 FITS - ASI Sniper, Magnum (and all other ASI models) Diana 79 and Gamo

These mainsprings are availble in store only - we do not post them.

WARNING - FITTING A MAINSPRING MAY CAUSE THE POWER OF YOUR RIFLE TO EXCEED THE LEGAL LIMIT - WE RECOMMEND FITTING TO BE CARRIED OUT ONLY BY A GENUINE GUNSMITH