Joined:
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SC, USA
Posted: 10/15/2025 5:20:11 PM EDT
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I'm trying to build my 300blk with the G 8" barrel, and running into issues finding a rail that will work for what I want... I'm wondering if anyone has any ideas. My current plan is to not tuck it. I've tried: -Midwest "Combat rail" 7" - I think it is short enough, but (I ran into this issue with BCM's 300blk 9" and their Mlok rail as well) the bottom Mlok slots are so close to the gas block that there is no way to install a grip on it, even with below-flush Mlok bolts... the T nuts make contact with the gas block. -BCM QRF 7 - This fixes the Mlok issue by going quad rail, but it is actually about 7.25" and isn't going to clear my Griffin Dual Lok mount to let me install a can. I'm wondering if there is a 7.0", slightly larger internal diameter decent Mlok rail out there that anyone's aware of. I know Midwest SP would clear the suppressor, the 7.25" would likely still let me reach the Dual Lok collar without taking the rail off, but it is meant to tuck, so fatter than it has to be for my intended application. TIA |
Joined:
Dec 2022
Posts:
1290
EE: 100% (42)
SC, USA
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Attached File Aero Enhanced (7”ish) on a 6” barrel, obviously the can is partly tucked. |
Joined:
Dec 2022
Posts:
1291
EE: 100% (42)
SC, USA
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I have a Expo Arms 7-inch rail on mine https://www.primaryarms.com/expo-arms-ar15-pcc-mlok-free-float-handguard-7in 
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