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Airgun Mainsprings


Telephone  01243 827500

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Designed and manufactured for PROTEK SUPPLIES

M127 - MAINSPRING TO FIT HEAVY GEM AIRGUNS may fit other air rifles but WILL NOT fit small GEMs



Length = 216mm approx.

Outside diameter = 18mm

Inside diameter = 12mm

Turns = 28 approx.

Wire thickness= 3mm

Gap between turns = 5mm

~~~ Most parts in stock for dispatch usually same day ~~~

~~~ Flat rate postage charge of £3.50 (air guns  £16.00 to send) ~~~

Air guns can not be ordered by Paypal. Phone us to place order using credit/debit card. Barrels, pistons and air guns later than 1939 can only be sent to a registered fire arms dealer. Postage rates shown for UK if outside of UK contact us first. 01243 827500

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01243 827500

Quick & easy

M210 - Inner and outer spring set to Original model 72, 6,6G,6M,10 £26.00

We have air gun stocks…click here

V130 - We tried this spring in an HW97 with great results. It gave us 11.4 ft/lbs.

A great replacement in Weihrauch sub 12 ft/lbs airguns. (NOT HW80)


Fits FWB SPORT  120, 124 and 127

Length = 257mm

Outside diameter = 20.5mm

Turns = 33

Inside diameter = 13.4mm


M380 - Inner spring only for Original model 72, 6, 6G, 10 £17.00

M417 - Gamo Delta Fox mainspring. 205mm long, 26 coils, 19.3mm outside diameter, 3.24mm wide wire thickness. £10.00

SP3 - Genuine new old stock mainspring for WEBLEY PREMIER air pistol, with metal Webley ID tag. Flat section wire coils. £19.00

SP4 - WEBLEY JUNIOR spring, (Webley part number J12). New old stock  £12.00

SP5 - Old stock flat/rectangle section mainspring to fit WEBLEY SENIOR 175mm long (a tad under 7") £18.00

SP1 - WEBLEY TEMPEST flat section springs (Webley part T27) for HURRICANE and TEMPEST , new old stock. £16.00

SP7 - WEBLEY MARK 3 (no tag) AR40, original spec will not fit mark 2. £17.00

SP8 - WEBLEY TRACKER and VISCOUNT, new old stock. £17.00

SP9 - WEBLEY VULCAN new old stock £18.00

SP10 - VULCAN chrome plated, in original pack which has been opened 33 coils £18.00

SP11 - For JUNIOR air rifle with WEBLEY tag attached, new old stock. £24.00

SP13 - To fit BSA SPORTING .22 and T and S and CS series STANDARD under levers flat anticlockwise wound, 275mm long approx 11 old inches, (pieces of an old foot type) 42 coils. £28.00

SP14 - BSA L MODEL round section 190mm long with 22 coils. £15.00

SP15 - This here springy thingy is the main spring for to fit the HAENEL 303 air rifle. £14.00

SP16 - For SUSSEX ARMOURY JACKEL main spring. £15.00

SP17 - ANSHUTZ 335 main spring. £15.00

SP18 - Mainspring to fit an FWB SPORT rifle. £22.00 These springs were sent from ASI to the Lewis Gun Room 1st October 1985 and were never retailed.


SP12 - Flat section mainspring to fit BSA IMPROVED MODEL underlever air rifle, anti clockwise wound, 205mm long 32 coils, genuine new old stock. £20.00

SP19 - Main spring for STIRLING HR81 and 83. £20.00

SOLD 0920

SP2 - Genuine new old stock mainspring for WEBLEY JUNIOR air pistol with metal Webley tag. £15.00