B5 SRK EXTENSION KIT BLK
$128.25
B5 SRK EXTENSION KIT BLK
64 in stock
Purchase & earn 128 points!Description
Description
The Sierra K Receiver Extension Kit is the proprietary mounting system for the Sierra K Buttstock. All parts are made of mil-spec materials and finishes and proudly Made In The USA.
Specifications
- Short Stroke Gas Piston Gas System (Rifle Length)
- 18.6″ Barrel Length ( Mid-Weight style, non-fluted)
- 1:8 Twist Rate Rifling
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