Home / AR Parts / Rainier Arms / Rainier Arms Rellim Arms AR-15 300Blk Take Down Barrel Assembly Black 8 in RA-TDBA-300-8
Rainier Arms Rellim Arms AR-15 300Blk Take Down Barrel Assembly Black 8 in RA-TDBA-300-8

Rainier Arms Rellim Arms AR-15 300Blk Take Down Barrel Assembly Black 8 in RA-TDBA-300-8

Lowest Price
$744
MSRP
$800
Savings
7% off
In Stock at
0 Stores
Updated
Dec 17, 2025
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Specifications

MPN
RATDBA3009
UPC
744985352173

Description

Rainier Arms Rellim Arms AR-15 300Blk Take Down Barrel Assembly Black 8 in RA-TDBA-300-8. The barrel assembly is a proprietary part to the Take Down Upper assembly. Specifications for Rainier Arms Rellim Arms AR-15 300Blk Take Down Barrel Assembly: Manufacturer: Rainier Arms Color: Black Finish: Nitride Fabric/Material: 416R Stainless Steel Nitrided Cartridge: .300 AAC Blackout Barrel Length: 8 in Barrel Profile: Medium Gas System Length: Pistol Length Gas Block Journal Size-Diameter: .750 in Threads per Inch: 5/8x24 Barrel Twist Rate: 1-8 Gun Make: AR Platform Gun Model: AR-15 Weight: 2.05 lb Handguard Style: M-LOK w/ Top Picatinny Rail System Bolt Carrier Group Included: No Charging Handle Included: No Handguard Length: 7 in Magazine Included: No Package Contents: Rainier Arms Rellim Arms AR-15 300Blk Take Down Barrel Assembly Rainier Arms RA-TDBA-300-8: Rellim Arms AR-15 300Blk Take Down Barrel Assembly Black 8 in
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