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Anyone who spends real time behind an AR-15 knows the little parts are the ones that quit at the worst possible moment. A snapped extractor spring, a lost buffer detent, worn gas rings that let your rifle short-stroke. The DoubleStar DBST Field Repair Kit collects the parts most likely to break or wear out and drops them into one tidy package you can toss in a range bag and forget about until you need it. It is built for standard semi-auto AR-15 rifles and made in the USA.
This is not a bolt-on accessory, it is a grab bag of the small guts that keep an AR cycling. Inside you get a firing pin, two firing pin retainers, a bolt cam pin, and three bolt gas rings for the parts of the bolt carrier group that see the most heat and friction. There is also a buffer detent and buffer detent spring, an extractor with its pin, two extractor springs and pads, plus the fire control springs you tend to overlook until they let go. It covers the greatest hits of AR-15 gremlins in a single kit.
The smart move is buying it before you need it. A worn extractor spring or a tired set of gas rings can turn a good range day into a frustrating one, and these are exactly the parts that do not give you much warning. Toss the kit in your bag or leave it on the bench next to your cleaning supplies. Installation is straightforward for anyone comfortable doing basic AR maintenance, and having the right spare on hand beats scrapping a session and driving home.
Whether you shoot high volume, build your own rifles, or just want a little insurance for the field, this kit earns its spot. Small footprint, useful parts, and the peace of mind that a common failure will not sideline you.
It comes with a firing pin, two firing pin retainers, a bolt cam pin, three bolt gas rings, a buffer detent and spring, an extractor with pin, two extractor springs and pads, plus disconnector, hammer, and trigger springs. These are the small components most likely to wear out or break on a semi-auto AR-15. It is designed to cover the common failure points in one package.
Yes, the kit is built around standard semi-auto AR-15 rifles and mil-spec dimensions, so the parts drop into most common builds. If your rifle uses standard AR-15 internals, these replacements should be a direct fit. It is a good idea to confirm your extractor and gas ring sizing matches standard spec before installing.
Most of these parts are straightforward for anyone comfortable with basic AR-15 disassembly and maintenance. Swapping gas rings, an extractor spring, or a buffer detent takes just simple hand tools and a little patience. The fire control springs are a bit more involved, so take your time if you have not done it before.
Small parts like extractor springs and gas rings tend to fail without warning and can end a range session early. Having the right spares on hand means a common breakage becomes a quick fix instead of a wasted trip. This kit is compact enough to live in your bag permanently so you are covered before something goes wrong.
| UPC | 841348104049 |
|---|---|
| Manufacturer | |
| Manufacturer Part Number | AR785 |
| Color | Black |
| Product Type | Kit |
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