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Adjustable Bolt System Mainspring - Extra Heavy

Price:
$10.00
SKU:
065-1sr
Shipping:
Calculated at checkout
Current Stock:
1


Product Description

CAR mainspring to be used with higher pressure .45acp and 7.62x25 ammo to reduce cyclic rate.   This spring should not be used with the 9mm setup.

 

STG Universal  U7.62, U45, & STG 7.62

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