Forged aluminum flattop receiver includes fully-assembled forward assist and ejection port cover and accepts barrels with M4 barrel extensions. All final dimensions machined to correct mil-spec tolerances to readily accept standard AR-15 parts to help you complete an upper receiver. Laser-etched T-marks on Picatinny rail enable easy removal and re-mounting of optics, sights, and other accessories in the correct position. Interior has dry film lubrication to help reduce wear. Inside Diameter for barrel extension slightly undersized for a tighter fit to the barrel and a more accurate rifle. Please use a hair dryer to warm up threaded bore of receiver if barrel extension is too tight.
Exakta dimensioner ger korrekt passform & funktion
Smidd aluminium flattop-mottagare inkluderar fullt monterad forward assist och utkastarportlock och accepterar pipor med M4 pipförlängningar. Alla slutdimensioner är maskinbearbetade till korrekta mil-spec toleranser för att enkelt acceptera standard AR-15 delar för att hjälpa dig att komplettera en övre mottagare. Laseretsade T-markeringar på Picatinnyskenan möjliggör enkel avtagning och återmontering av optik, sikten och andra tillbehör i rätt position. Interiören har torr film smörjning för att hjälpa till att minska slitaget. Invändig diameter för pipförlängning är något underskuren för en tätare passform till pipan och ett mer precist gevär. Vänligen använd en hårtork för att värma upp gängad borrning av mottagaren om pipförlängningen är för tajt.
Kundernas betyg påBRAVO COMPANY UPPER RECEIVER ASSEMBLY
Antal betyg: 10
Från brownells.com: 10
Medelbetyg: 4,2
Good product(2014-09-30)
This complete upper was used for a pistol build. Easy to work with.
Bravo to Bravo as always!(2015-01-31)
I have trusted Bravo/BCM stuff for a long time. No surprises here. Outstanding product. I like that the bore where the barrel mounts is a bit tighter, just a bit. Makes for a more accurate system. Has the military forward assist too! Good to go and Brownells speed for shipping is outstanding!!!
Difficult build(2015-03-08)
Take down pin would not pass thru (Spikes Tactical lower), Barrel would not seat, much pounding required ( Daniel Defense 18 inch hammer forged barrel)
Good fit(2015-07-14)
Fit and function was good, Great value for budget minded build.
Barrel will not seat.(2015-12-05)
Attempted to install Bravo Company barrel in the Bravo Company upper receiver and the barrel will not seat, as another review had stated. Barrel fits fine in other upper receivers.
Best quality regular M4 upper available!(2016-03-07)
The tolerances are held tighter as are the clearances for some things. The barrel to receiver fit is perfect. A little time with a hair drier and the barrel slides right in. This receiver is worth the extra money in my opinion, especially if building a varmint/target/match rig.
Works as advertised(2016-06-01)
A few complaints about barrel not fitting into receiver. False. Most higher quality uppers fit tightly. So, without sounding too negative, if the barrel doesn't fit, learn to read BCM's site which tells builders it's a tight fit, and learn to build an AR. DO NOT HONE OR SAND with this receiver; no need. Anyway, the not-so-secret trick: (Optional: Put barrel in freezer for no less than an hour...results vary.) Warm the upper receiver barrel channel with a good hair dryer (get permission from owner first...lol) or heat gun. Apply lite coating of grease on barrel extension and inside barrel channel in receiver. Insert barrel into receiver. *Do the heating part, lube, and insert (yes, we're still talking about assembling an AR) barrel quickly, as the upper will lose heat quick. Ta-Da! It fits! Now, ensure to let the receiver/barrel combo come to room temperature before putting on barrel nut. ---This process is not new and just because other barrels have went right in other receivers just fine, doesn't mean the initial tight fit is not correct; the tight fit helps improve durability and accuracy. Lapping the receiver prior to doing the above can also remove unknowns in regards to possible inaccuracy. Ironically Brownells has a tool for that too.
Solid Reciever(2017-01-03)
After reading other reviews/complaints its plain to see who has/hasnt build an ar before or is clueless, which is ok but its not the products fault. If you cant get your barrel into the receiver use a torch and heat the receiver throat this will expand the aluminum. Freezing the barrel will not do much, if you don't believe measure it before and after steel is less susceptible to thermal expansion and contraction then aluminum.
Best forged upper available(2017-10-22)
Barrel fits tight like it's supposed too, finish is perfect, dry lube coated on the inside (most aren't). They don't get any better than this, only cheaper, or more expensive. I've stopped buying anything else but BCM uppers and factory build lowers.
Great product(2018-01-20)
Bought this for my daughter's rifle build. Took ten minutes with a heat gun and I had the barrel installed. Let it cool and it has no wobble. I'm buying another for my next build
Produktnr: 100014626 BRAVO COMPANY UPPER RECEIVER ASSEMBLY Tillverkarens produktnummer: BCM4-UR-M4855877004442 Smidd aluminium flattop-mottagare inkluderar fullt monterad forward assist och utkastarportlock och accepterar pipor med M4 pipförlängningar. Alla slutdimensioner är maskinbearbetade till korrekta mil-spec toleranser för att enkelt acceptera standard AR-15 delar för att hjälpa dig att komplettera en övre mottagare. Laseretsade T-markeringar på Picatinnyskenan möjliggör enkel avtagning och återmontering av optik, sikten och andra tillbehör i rätt position. Interiören har torr film smörjning för att hjälpa till att minska slitaget. Invändig diameter för pipförlängning är något underskuren för en tätare passform till pipan och ett mer precist gevär. Vänligen använd en hårtork för att värma upp gängad borrning av mottagaren om pipförlängningen är för tajt.
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Top takeaways
Smidd aluminium flattop-mottagare med fullt monterad forward assist och utkastarportlock.
Laseretsade T-markeringar på Picatinnyskenan för enkel avtagning och återmontering av optik och tillbehör.
Interiören har torr filmsmörjning för att minska slitage och en underskuren invändig diameter för en tätare passform till pipan.
Tillverkas i USA
USA: s exportklassificering: I(g)
Destination Control Statement: Dessa poster styrs av USA: s regering och godkänns endast för export till det land där den slutliga destinationen används av den slutliga mottagaren eller slutanvändaren som identifierats här. De får inte vidareförsäljas, överföras eller på annat sätt kasseras till något annat land eller någon annan än den godkända slutliga mottagaren eller slutanvändaren, antingen i sin ursprungliga form eller efter att ha monterats i andra föremål utan att först få godkännande från den amerikanska regeringen eller som annars är tillåten enligt amerikansk lag och förordningar.
This item is controlled by the U.S. government and authorized for export only to the country of ultimate destination for use by the ultimate consignee or end-user(s) herein identified. It may not be resold, transferred, or otherwise disposed of, to any other country or to any person other than the authorized ultimate consignee or end-user(s), either in their original form or after being incorporated into other items, without first obtaining approval from the U.S. government or as otherwise authorized by U.S. law and regulations.
Upptäck BRAVO COMPANY AR-15/M4 flattop upper receiver assembly! 🔧 Perfekt för att bygga ett precisionsgevär med hög kvalitet och hållbarhet.
Forged aluminum flattop receiver includes fully-assembled forward assist and ejection port cover and accepts barrels with M4 barrel extensions. All final dimensions machined to correct mil-spec tolerances to readily accept standard AR-15 parts to help you complete an upper receiver. Laser-etched T-marks on Picatinny rail enable easy removal and re-mounting of optics, sights, and other accessories in the correct position. Interior has dry film lubrication to help reduce wear. Inside Diameter for barrel extension slightly undersized for a tighter fit to the barrel and a more accurate rifle. Please use a hair dryer to warm up threaded bore of receiver if barrel extension is too tight.
Exakta dimensioner ger korrekt passform & funktion
Smidd aluminium flattop-mottagare inkluderar fullt monterad forward assist och utkastarportlock och accepterar pipor med M4 pipförlängningar. Alla slutdimensioner är maskinbearbetade till korrekta mil-spec toleranser för att enkelt acceptera standard AR-15 delar för att hjälpa dig att komplettera en övre mottagare. Laseretsade T-markeringar på Picatinnyskenan möjliggör enkel avtagning och återmontering av optik, sikten och andra tillbehör i rätt position. Interiören har torr film smörjning för att hjälpa till att minska slitaget. Invändig diameter för pipförlängning är något underskuren för en tätare passform till pipan och ett mer precist gevär. Vänligen använd en hårtork för att värma upp gängad borrning av mottagaren om pipförlängningen är för tajt.
Kundernas betyg påBRAVO COMPANY UPPER RECEIVER ASSEMBLY
Antal betyg: 10
Från brownells.com: 10
Medelbetyg: 4,2
Good product(2014-09-30)
This complete upper was used for a pistol build. Easy to work with.
Bravo to Bravo as always!(2015-01-31)
I have trusted Bravo/BCM stuff for a long time. No surprises here. Outstanding product. I like that the bore where the barrel mounts is a bit tighter, just a bit. Makes for a more accurate system. Has the military forward assist too! Good to go and Brownells speed for shipping is outstanding!!!
Difficult build(2015-03-08)
Take down pin would not pass thru (Spikes Tactical lower), Barrel would not seat, much pounding required ( Daniel Defense 18 inch hammer forged barrel)
Good fit(2015-07-14)
Fit and function was good, Great value for budget minded build.
Barrel will not seat.(2015-12-05)
Attempted to install Bravo Company barrel in the Bravo Company upper receiver and the barrel will not seat, as another review had stated. Barrel fits fine in other upper receivers.
Best quality regular M4 upper available!(2016-03-07)
The tolerances are held tighter as are the clearances for some things. The barrel to receiver fit is perfect. A little time with a hair drier and the barrel slides right in. This receiver is worth the extra money in my opinion, especially if building a varmint/target/match rig.
Works as advertised(2016-06-01)
A few complaints about barrel not fitting into receiver. False. Most higher quality uppers fit tightly. So, without sounding too negative, if the barrel doesn't fit, learn to read BCM's site which tells builders it's a tight fit, and learn to build an AR. DO NOT HONE OR SAND with this receiver; no need. Anyway, the not-so-secret trick: (Optional: Put barrel in freezer for no less than an hour...results vary.) Warm the upper receiver barrel channel with a good hair dryer (get permission from owner first...lol) or heat gun. Apply lite coating of grease on barrel extension and inside barrel channel in receiver. Insert barrel into receiver. *Do the heating part, lube, and insert (yes, we're still talking about assembling an AR) barrel quickly, as the upper will lose heat quick. Ta-Da! It fits! Now, ensure to let the receiver/barrel combo come to room temperature before putting on barrel nut. ---This process is not new and just because other barrels have went right in other receivers just fine, doesn't mean the initial tight fit is not correct; the tight fit helps improve durability and accuracy. Lapping the receiver prior to doing the above can also remove unknowns in regards to possible inaccuracy. Ironically Brownells has a tool for that too.
Solid Reciever(2017-01-03)
After reading other reviews/complaints its plain to see who has/hasnt build an ar before or is clueless, which is ok but its not the products fault. If you cant get your barrel into the receiver use a torch and heat the receiver throat this will expand the aluminum. Freezing the barrel will not do much, if you don't believe measure it before and after steel is less susceptible to thermal expansion and contraction then aluminum.
Best forged upper available(2017-10-22)
Barrel fits tight like it's supposed too, finish is perfect, dry lube coated on the inside (most aren't). They don't get any better than this, only cheaper, or more expensive. I've stopped buying anything else but BCM uppers and factory build lowers.
Great product(2018-01-20)
Bought this for my daughter's rifle build. Took ten minutes with a heat gun and I had the barrel installed. Let it cool and it has no wobble. I'm buying another for my next build