Big Bore AR-15 upper with enlarged ejection port for your ar15. Uses standard door and forward assist. The enlarged ejection port is nice for 450 bushmaster, 450 socom, 500 s&w, 50 beowulf, and other larger caliber casings.
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Big Bore Ar15 450 bushmaster / 458 socom / 50 etc enlarged port Large Caliber Stripped upper
Original price was: $71.43.$49.99Current price is: $49.99.
-30%Big Bore AR-15 upper with enlarged ejection port for your ar15. Uses standard door and forward assist. The enlarged ejection port is nice for 450 bushmaster, 450 socom, 500 s&w, 50 beowulf, and other larger caliber casings.
Additional information
| Weight | 0.6 lbs |
|---|---|
| Dimensions | 9.0 × 6.0 × 6.0 in |
| Caliber | .450 Bushmaster, .458 Socom, .350 Legend, 12.7×42 |
| 5 star | 100% | |
| 4 star | 0% | |
| 3 star | 0% | |
| 2 star | 0% | |
| 1 star | 0% |
1-2 of 2 reviews
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-300x300.jpg "Left Hand Stag Arms / Aero Ar15 Flat Top Stripped / Assembled Upper, photo")
(1)-300x300.jpg "SALE! *blem* m4 Stripped upper with dust cover & fwd assist kit, photo")
Nice upper – Ordered 3 and they all came in great condition!!!!
sound of freedom – This was a great set up. I loved being able to customize the set up. Only issue I had was my own fault as a newb to building these. I used a heavy barrel in a slim hand guard. It makes adding attachments tough with clearances. Hoping someday to also get an AR10 from here.