Description
* Highest quality Delrin stock
* Lifetime warranty from defects in materials or workmanship
* Most bolts available in black or white with or without o-rings
* O-rings used are high performance Buna quad-rings
* Angled air inlet
* Single/Dual ball detent grooves as required
1 piece delrin upgrade bolt is lighter than stock, machined closer to breech size, increases velocity by 20 FPS or more.
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