Umarex Barrel Nut for HK416 CO2 BB Rifle (577.50.09.1)
S3508
- Genuine Umarex spare part — barrel nut for the HK416 .177 CO2 BB rifle
- Part number 577.50.09.1
- Secures the barrel assembly to the upper receiver
- Keeps the barrel correctly seated and aligned in the handguard
- Sold individually as a factory replacement
- Fits the Umarex Heckler & Koch HK416 CO2 BB rifle
- Contact BushWear before ordering if unsure of fitment
Genuine Umarex spare part 577.50.09.1 — the barrel nut for the Umarex Heckler & Koch HK416 .177 CO2 BB rifle. This is the fitting that secures the barrel assembly to the upper receiver, keeping the barrel correctly seated and aligned in the handguard. Sold individually as a factory replacement part, it's the correct component to use if your HK416's original barrel nut has been lost, damaged, or needs replacing during a rebuild. As a genuine Umarex part, it is made to the maker's original fitment and tolerances, so it goes back on exactly as the factory-fitted item did without any modification needed. Ordering the correct part number is straightforward with the reference printed on the part itself, and BushWear can advise on fitment if you're unsure your rifle takes this component before you order. A small but essential part for keeping an HK416 CO2 BB rifle running and shooting straight.
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