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Questions & Answers
Looking for 300 Blackout only bolt only, they all advertise 223/5.55 and 300 BO! Once I click on options none of them distinguish between calibers

A bolt made for 300 BO is identical to a bolt made for .223/5.56. The dimensions are exactly the same and they are 100% interchangeable, as a 300 BO is just a "necked up" .223/5.56. The magazines are interchangeable between the two calibers as well.

by Thomas J, Verified Owner, January 8, 2025
Customer Reviews
Helpful Positive Review
Quality Bolt by CCCitizen, Verified Owner, January 26, 2021
Very good backup or primary bolt! Cant go wrong with DD, a bolt is a bolt as long as its an AMERICAN MADE!!! This is one of the main components to keep stored in the grip storage compartment! Its MP stamped although its also HPI its not stamped on bo...
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2/2 found this helpful
Helpful Positive Review
Quality Bolt!! by CCCitizen, Verified Owner, May 31, 2021
This is either my primary bolt, and even a backup replacement!!! The quality is there and reliability, even though its a DD its affordable!! Ive put a few hundred rounds thru and not a single hickup!!
4/4 found this helpful
Helpful Positive Review
Excellent quality, tight tolerances by Joe M, Verified Owner, August 4, 2023
As should be expected, this bolt is quality. In every measurement I took, it was towards the larger end of the spec. The bolt support shoulder was wide, headspace was tight, the bolt tail fit snug in my carrier, and the cam pin hole was a perfect fit...
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3/3 found this helpful
Helpful Positive Review
great bolt by ar15guy, June 23, 2024
Great bolt would definitely recommend. Never have had a problem with any of Daniel defenses parts before. Buying from them is definitely buying with confidence.
2/2 found this helpful
Helpful Positive Review
In spec and best value by Wolfgar, Verified Owner, July 13, 2024
The firing pin hole, firing pin protrusion, cam pin hole, extractor tooth, bolt tail O.D., shoulder O.D. were perfect and passed all of my gauges..Finding a bolt that will do this is not as easy as many would think..DD makes a very well made bolt..It...
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1/1 found this helpful
Most Recent Reviews
good quality by OL DW, Verified Owner, January 30, 2025
II used this on new build with a nice Jp carrier. fit nice and snug into the hole. Cycle three different loads and cycles flawlessly. just give it extra lubrication and she is off to the races.
Read All 7 Reviews
Color:
Black

Code: DDD-ABA-DD-9302

MPN: 04-013-22183

UPC: 815604010535

List: $87.00Save $6.00
$81.00

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Product Info for Daniel Defense AR Bolt Assembly 5.56 NATO / 300 Blackout

The Daniel Defense 5.56 NATO (5.56x45mm & .223 Remington) / 300 Blackout (7.6x35mm) Bolt Assembly.image

Specifications for Daniel Defense AR Bolt Assembly 5.56 NATO / 300 Blackout:

Manufacturer: Daniel Defense
Color: Black
Fabric/Material: Steel

Features of:

  • Carpenter 158 Steel
  • High Pressure Tested
  • Magnetic Particle Inspected
  • Shot Peened Bolt
  • Heavy Phosphate Coated
  • Extractor Booster
  • Product Weight - 1.6 oz

Package Contents:

  • Daniel Defense AR Bolt Assembly 5.56 NATO / 300 Blackout

Daniel Defense AR Bolt Assembly 5.56 NATO / 300 Blackout Orderable Models

List of Orderable Models

  • Daniel Defense AR Bolt Assembly 5.56mm, 04-013-22183 , MPN: 04-013-22183 , UPC: 815604010535 , Code: DDD-ABA-DD-9302
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