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Wheeler 156213 AR-15 Delta Bore Guide
Our editorial team reviews specifications, product data, and field-use information to keep pages accurate.
$41.99
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SKU: 156213-661120562139
Overview
Built for routine maintenance of AR-15 uppers, this bore guide helps direct cleaning solvent through the chamber while reducing the chance of it entering the action. Its precision CNC-machined aluminum construction and anodized finish give it a clean, purpose-made feel, while the fit is designed to stay secure in place during use. The guide is intended for .223 and .204 chambers and includes a rear solvent port that remains accessible once installed. It also uses the dust cover or chemical-resistant O-rings for retention, though the .250" inner tube diameter means it is not intended for 6.8mm jags.
Why Hunters Choose the Aob
Precision Cnc-machined
Durable anodized finish
Fits Securely
In any AR-15 upper receiver
Dust Cover
Engagement helps retain the guide
Chemical-resistant O-rings
Retention in uppers without dust
Extends Into
Chamber to help prevent solvent
Key Features
- Precision CNC-machined aluminum construction with a durable anodized finish.
- Fits securely in any AR-15 upper for cleaning use.
- Can be retained by closing the dust cover, which engages a groove in the guide.
- Chemical-resistant O-rings provide retention in uppers without dust covers.
- Extends into the chamber to help prevent solvent from leaking into the action.
- Rear solvent port remains accessible while the guide extends out of the upper.
- Inner tube diameter is .250"; not intended for 6.8mm jag.
Best Used For
- AR-15 owners cleaning .223 or .204 uppers and wanting controlled solvent application
- Users with dust covers who prefer a guide retained by closing the cover
- Shooters without dust covers needing O-ring retention during chamber cleaning
- Hunters maintaining AR-15 rifles and aiming to reduce solvent leakage into the action
- Owners using cleaning jags under .250 inch diameter, not intended for 6.8mm
Specifications
| Blade Finish | Anodized |
|---|---|
| Caliber Compatibility | .223, .204 |
| Compatibility | AR-15 upper |
| Inner Tube Diameter | .250" |
| Intended For 6 8mm Jag | No |
| Material | Precision CNC-machined aluminum |
| Product Type | Bore Guide |
| Retention Method | Dust cover groove engagement; chemical-resistant O-rings |
| Solvent Port | Rear-mounted |
Pros
- Precision CNC-machined aluminum construction with durable anodized finish
- Fits securely in any AR-15 upper receiver
- Dust cover engagement helps retain the guide in place
- Chemical-resistant O-rings provide retention in uppers without dust covers
- Extends into the chamber to help prevent solvent from leaking into the action
- Rear solvent port remains accessible during cleaning
Considerations & Trade-offs
- Designed for AR-15 uppers and .223/.204 use, so it is not intended for 6.8mm jag applications.
- Retention depends on either the dust cover groove or the included O-rings, so fit and setup can vary by upper configuration.
- The guide extends out of the upper during cleaning, which improves access to the solvent port but adds an extra component to manage at the bench.
Suggested Comparisons
- AR-15 cleaning accessories
- Bore guides
- Rifle cleaning tools
- .223/.204 cleaning accessories
Suggested Accessories
- Cleaning rod
- Solvent
- Bore brush
- Patch holder
Frequently Asked Questions
What AR-15 uppers does this bore guide fit?
It is described as fitting securely in any AR-15 upper. The guide can be retained by closing the dust cover, or by using the chemical-resistant O-rings in uppers without dust covers.
Which calibers is it intended to work with?
The product description says it works well with .223 and .204. The inner tube diameter is .250", and it is not intended for a 6.8mm jag.
How is the bore guide held in place during cleaning?
It can be retained by closing the dust cover, which engages a groove in the guide. For uppers without dust covers, chemical-resistant O-rings provide retention.
Does it help keep solvent out of the action?
Yes. The guide extends inside the chamber to help prevent solvent from leaking into the action during cleaning.
Where is the solvent port located?
The solvent port is located to the rear of the guide, extending out of the upper so it is easily accessible during cleaning.