Laser Cut Mag Shim (Pack of 4) - VFC M4 GBBr

Code: Clearance-03

Pack of 4 laser cut 0.5mm magazine shims for the VFC M4 gas blow back rifle series.

LPE Magazine shims are one of the simplest and cheapest upgrades available for 'gas in mag' guns on the market today. Magazine shims are placed under the gas router on the top of GBB & NBB magazines to push the rubber seal up so it forms a better seal with the loading nozzle which can give some of the following improvements in performance,

- Improved gas efficiency
- Improved shot-to-shot consistency
- Increased felt recoil
- A small increase in power/fps

Installation is generally very easy and reversible requiring no modifications to the gun or magazines, in most cases only requiring the feed lips removing and a single shim being placed under the gas router. Please note that more pressure on the feed lips will be required in some cases to reinstall retaining pins and care should be taken not to damage the pins or feed lips themselves.

Laser cut in the United Kingdom from engineering grade plastics.


£1.80 £1.80
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