AFC bowed out of the Emirates FA Cup with a First Qualifying Round defeat to higher-league opposition Barwell.
Ross Duggan dragged the Bulls back into the game from the spot after goals from Dominic Brown-Hill and Tolani Omotola gave the hosts a comfortable half-time lead, but the Canaries secured their place in the next round with two later goals.
A brilliant ball from Jamie McGuire almost lead to a shock early opener for the Bulls, but Ross Duggan's lob fell on the wrong side of the crossbar from 25 yards out.
Only two minutes later the hosts took the lead, perhaps against the run of play, as Dominic Brown-Hill's 20-odd-yard free-kick looped into Hugo Warhurst's far top corner.
Warhurst was to thank just 60 seconds later when he got down to block Tolani Omotola one-on-one effort spectacularly.
Jordan Annable was forced off with a concussion on the half-hour mark, and moments later the Canaries doubled their advantage whilst the Bulls had one less man on the pitch, as Warhurst spilled Eliot Putman's longe-range effort and Omotola tapped home the rebound.
Matt Chatfield's side refused to give in and were handed a lifeline when Putman was adjudged to have handled the ball inside his own penalty area, and Ross Duggan stepped up to tuck home his 14th of the season from 12 yards.
The hosts should have instantly restored their lead down the other end, but Brady Hickey's close-range header crashed against the woodwork.
Richard Williams became AFC's second casualty of the afternoon and was forced to be replaced by Connor McMillan on 71 minutes, with the stoppage doing anything but aid the Bulls' momentum.
Shortly after Cain Thomas's longe ranger skimmed the crossbar, the game was put to bed when substitute Tritan Dunkley backheeled a throw-in from a few yards out.
Just as the game was about to enter injury time, Henry Eze rounded off a superb move as he chested a long ball down and dinked past Warhurst to put the result beyond doubt.
The Bulls turn their attentions to league football for the first time in a while, as they visit Handsworth on Tuesday night.
MATCH DETAILS
Final score | Barwell 4-1 AFC Mansfield
Scorers | Brown-Hill (21'), Omotola (30'), Dunkley (81'), Eze (89') - Duggan (pen. 59')
Barwell XI | Castle (GK), Cotterill, Putman, Percival, Eze, Thomas, Brown-Hill (Edwards 90'), Hollis (Dunkley 51'), Omotola, Hickey (C), Grouse (Evans 68')
Unused substitutes | McAteer, Redhead, Edwards
Yellow cards | Putman (58'), Evans (90'+6)
Bulls XI | Warhurst (GK), Hough, Williams (Corder 71'), McGuire, Lucas (Warwick 68'), Hague, Annable (McMillan 34'), Buxton (C), Duggan, Walker, Webster
Unused substitutes | Wright, Jumma, Darker, Stancliffe (GK)
Yellow cards | McGuire (76'), Warwick (85')
Man of the Match | Jamie McGuire
Attendance | 146
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