Caliber: .308 Win - Action: Delayed Blowback Roller-Lock System - Overall length: 23 1/2 - Weight: 7.8 lb - Barrel: 8 1/8 match grade bull barrel - Magazine: 20rd - Stock: machined butt cap drilled and tapped for AR15 tube adapter - 5/8x24 flash hider H&K navy type polymer trigger group MP5 wide polymer handguard machined butt cap welded scope rail sling swivel paddle magazine release As of 11/1/15 51P PDW R's will come with 5/8x24 barrel threading
| Action | delayed blowback roller |
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| Barrel | 8 1/8 match grade bull barrel |
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| Weight | 7.8 lb |
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| Caliber | .308 Win |
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Determined at checkout.
