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Description
HKP HK 21 (7.62x51/.308) Factory Style T-Rail Set
HKP HK21 US made rails for all HK21 and FMP21 builds. Our steel T-rails incorporate an updated radius to address a weak link in previous iterations.
Compatible With:
- HK21
- FMP21
Warranty Information
$46 From BK. This first run they used 1018 steel but will need to use 4140 steel and heat treat material to 28-32 HRC for a stronger material. - SB 7/18/24 We are the cheapest in the market. STS, MM, RCM (Not available yet)
price was $46.00 now $23.00-7/31/24-BM
4140 STEEL
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