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Inexpensive way to get more shots per fill by keeping the hammer from opening the valve more than once during the same shot cycle, and wasting air, the rifle shoots quieter too.

The Easiest air saving hammer spring system to install and the easiest to adjust.


Some of the features include:

+  Simple  “drop in”  installation.

+  Can be adjusted  “on the fly”  for more or less power.

+  Nothing sticks out the back of the rifle.

+  Can be used with all stocks.

+  Can be adjusted for low, medium, or high fill pressures.

+  Custom made to exacting specifications right here in the USA.

+  Excellent results with .177, .22, and .25 caliber rifles.


Works great in :

+  Stock rifles.

+  Modified rifles.

+  Regulated applications.

+  Or when used along with the hill valve assembly or with any of the hill Matched Parts Kits.


 *   The hill 262 hammer spring has a .350 inside diameter and is compatible with hammer spring guides like the ones found in gen 2 rifles. For older gen 1 rifles, you can purchase and factory new style hammer spring adjuster here: 

Note:  For the best air saving results, set the hammer throw (1/8″ hex wrench) to fully counter clockwise and leave it there.  Turn the hammer spring adjuster (1/4″ hex wrench) to fully counter clockwise, then clockwise, a little at a time, to adjust the rifles pellet velocity.  *Leave a gap between the hammer and valve stem for a “free flight” effect.  You can perform this operation by removing the trigger assembly and looking into the tube.

Package includes:   1- hill airgun 262 hammer spring, and shipping within the USA

Price: $9.98