337_BCM
Well-armed member (.357 Mag)
Forum Supporter
2022 Supporter
2023 Supporter
2024 Supporter
2025 Supporter
Trading Post Subscriber
Only $250
Rainier Arms Ultra Match MOD2 MK12 SPR Barrel (RAB-UM2-223-18-R-MK12-NF-BLK)
I only shot 40 rounds through this barrel. Has been collecting dust in my safe ever since. Need the cash for family stuff. No trades, thanks.
Features:
* Stainless Steel UltraMatch Grade Blank
* Length: 18"
* Twist: 1:7.5
* Thread Pitch: 1/2 X 28
* .750 Gas Block Seat
* .223 Wylde Chamber
* Rifle Gas System (Gas Tube not Included)
* SPR/MK12 Profile
* M4 Feed Ramps
* Weight: 2 lbs 9 oz
* Compatible with Allen Engineering/Ops Inc Mk12 suppressor collars
Rainier Arms Ultra Match MOD2 MK12 SPR Barrel (RAB-UM2-223-18-R-MK12-NF-BLK)
I only shot 40 rounds through this barrel. Has been collecting dust in my safe ever since. Need the cash for family stuff. No trades, thanks.
Features:
* Stainless Steel UltraMatch Grade Blank
* Length: 18"
* Twist: 1:7.5
* Thread Pitch: 1/2 X 28
* .750 Gas Block Seat
* .223 Wylde Chamber
* Rifle Gas System (Gas Tube not Included)
* SPR/MK12 Profile
* M4 Feed Ramps
* Weight: 2 lbs 9 oz
* Compatible with Allen Engineering/Ops Inc Mk12 suppressor collars
