Mix and match across the range: 2 items save 5%, 3 save 10%, 4 or more save 15% on your whole basket.
Check the platform named in the title to confirm fit before ordering.
Not sure it fits your rifle? Ask us before you order
The Geissele Automatics MK4 Federal 10" is a rail section for AR-15.
Rail sections add mounting space exactly where you need it on the handguard for lights, lasers, grips or bipods. Check the attachment type and length suit your handguard and the accessory you plan to mount.
It is a genuine Geissele Automatics product, supplied new through our US distributor.
Check the platform named in the title to confirm fit before ordering. If you are unsure, contact us before ordering.
| Brand | Geissele Automatics |
|---|---|
| Model | MK4 Federal 10" |
| Type | Rail Section |
| Platform | AR-15 |
| Colour | Desert Tan |
| MPN | 05-430S |
Genuine Geissele Automatics. Order the Geissele MK4 Federal 10in Rail – Desert Tan today — ordered in from the manufacturer for you and sent by Royal Mail Tracked 24, with delivery in 7–10 business days.
Explore more: Rail Sections or browse all Geissele Automatics.
| Brand | Geissele Automatics |
|---|---|
| Model | MK4 Federal 10" |
| Type | Rail Section |
| Platform | AR-15 |
| Colour | Desert Tan |
| MPN | 05-430S |
| Category | Rail Section |
| Barcode | 817953027912 |
£5 tracked UK delivery on every order via Royal Mail Tracked 24. Our products are ordered in from the manufacturer rather than held in UK stock, so please allow 7 to 10 business days (Monday to Friday, excluding bank holidays) from the date of your order for it to reach you. Tracking details are emailed on dispatch. UK delivery only.
You have 30 days from receiving your order to cancel it for any reason, then 14 days to send it back unused and in its original packaging. Faulty, damaged or incorrect items are replaced or refunded and we cover reasonable return postage. Refunds go back to your original payment method within 14 days of receiving the return.
Yes. It is ordered in new from Geissele Automatics through our US supplier, not a copy or a clone.
It is ordered in from the manufacturer for you and sent by Royal Mail Tracked 24, with delivery in 7–10 business days and £5 tracked UK delivery.
7 to 10 business days from the date of your order. Every order is sent Royal Mail Tracked for a flat £5 and you receive tracking details by email when it is dispatched.
Yes. We list only genuine parts and optics from the brands shown, ordered in from the manufacturer for your order.
Compatibility notes on this page come from the manufacturer. If you are unsure, email us with your make and model before ordering and we will check rather than guess.
Yes. Bundle & Save applies automatically in your basket: 5% off when you buy 2 items, 10% off at 3 items and 15% off at 4 or more. It works across the whole range, so you can mix and match, and there is no code to enter.
Yes — you have 30 days from delivery to cancel for any reason, as long as the item is unused and in its original packaging. See our returns policy for the details.
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