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.300 blk
The .300 AAC Blackout (abbreviated as 300 BLK by the SAAMI and 300 AAC Blackout by the C.I.P.), also known as 7.62×35 mm, is an intermediate cartridge developed in the United States by Advanced Armament Corporation (AAC) for use in the M4 carbine. The cartridge yields increased performance in shorter barrels and effective subsonic performance for silencer use when compared to 5.56 mm NATO. The .300 AAC Blackout uses standard 5.56 mm NATO magazines and components with the exception of the barrel.
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.300 Blk 8 barrel upper almost complete. Troy, AC Unity parts
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- For Sale
- For Trade
- $120
- Portland
- Oregon
AC Unity SMG-9 polymer handguard uses bcm barrel nut and seem to be able to be mounted with a standard castle nut wrench, 8” barrel marked with SA has a 1/8 twist, not sure who makes it. Troy billet upper. Some assembly required. Barrel needs to be torqued on, needs a gas tube and block and a... -
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*PENDING* 16" .300 BLK upper receiver
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- For Sale
- For Trade
- $250
- Sheridan
- Oregon
Got about 40-50 rounds through this. Includes BCG and charging handle. I believe it's made by TLH Tactical, but I'm not positive. Ideally I'd like to trade for a 10-10.5" 5.56 upper with BCG & CH. Also willing to include a SIG Romeo 7 if interested.- Classified Ad
- Part & Accessory Classifieds
- jmenne
- Replies: 2
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Davidson Defense Aegis Lightweight 16-inch Pistol-Gas 1:8 .300 BLK AR-15 Freefloat M-Lok Handguard Rifle Complete Upper Build Kit - $185
https://davidsondefense.com/Davidson-Defense-Aegis-Lightweight-16-inch-Pistol-Gas-18-300-BLK-AR-15-Freefloat-M-Lok-Handguard-Rifle-Complete-Upper-Build-COPY_p_44035.html- Deal Thread
- Great Deals
- trukinbear
- Replies: 0
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11.5 BA barrel, 8 .300 blk barrel
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- For Sale
- $90
- Portland
- Oregon
11.5” barrel is in great shape. .300 blackout barrel it 1/8 twist, unknown manufacturer but has SA marked on it, also has some surface rust on the barrel extension. Asking 90$ for the BA and 50$ for the .300 May consider a trade for an M4E1 upper or some other uppers, looking for a non forward...- Classified Ad
- Part & Accessory Classifieds
- Jimmyod1
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- Tags
- .300 blk
- Replies: 3
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Primary Arms SLx 3X MicroPrism Scope - Red Illuminated ACSS Raptor Reticle - 7.62x39 / .300 BLK - Yard
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- For Sale
- $175
- Canby
- Oregon
Here is the website where you might find this beauty: https://www.primaryarms.com/primary-arms-slx-3x-microprism-with-red-illuminated-acss-raptor-762-300bo-reticle-yard This item is in pretty good condition for how often it was used (on a PSA AK) and almost has everything that came with it in...- Classified Ad
- Sight, Scope, & Optic Classifieds
- CoreyFP
- Replies: 0
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Gen 2 BRN-180 complete upper receiver, 10" barrel, .300 BLK
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- For Sale
- $500
- Beavercreek
- Oregon
Gen 2 BRN-180 complete upper receiver. Has a couple small dings but is in great working condition. Fairly low round count, maybe 300-500. Venmo is preferred but I can also take cash. We can meet somewhere in Clackamas county or the Portland metro area. No shipping or trades.- Classified Ad
- Part & Accessory Classifieds
- kwilson
- Replies: 3
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Almost complete AR upper receiver - .300 BLK, 10.5" barrel, OD green
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- For Sale
- $400
- Beavercreek
- Oregon
Almost complete AR upper receiver in .300 BLK with a 10.5" barrel. It got some moderate use since I put it together a few years ago, nothing heavy. It runs great. Parts list: Aero Precision M4E1 upper receiver, no forward assist (green) Criterion core series 10.5" .300 BLK barrel, chrome...- Classified Ad
- Part & Accessory Classifieds
- kwilson
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- Tags
- .300 blk upper receiver
- Replies: 0
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